Opening Pages
The Iron Age VOLUME XXV. JANUARY—JUNE, 1880. “ New York: DAVID WILLIAMS, PUBLISHER, 88 READE STREET. 1880. foe RON AGE. —_ iain io | Ga Sec sae 22 fs 18 17 outl J { Ingots : Ay Ont Injector e 25 INDEX TO VOL XNYV. Insurand Interesti Interest | terstat of, Investme pl Tron agai pl Accidents to trains, Broken rails and, Feb. 12, | Boller making, Recent improvements in, Jan. | Coal in Shenango Valley furnaces, Anthracite, | Electic lamps, Recent tests with, March 25, p 1 | French cable, The, May 20, p 8. Age, p ll. . . 93, p 8.’ ’ ’ imte. : ight, Fruit ripened with the aid of ‘the, trade in 1879, Knglish aod, March 18, p 14. pl. Adams patent, Wharton’s nickel salts and cast | Boilers for water works, Feb. 5, p 1. in the iron trade, The consumption of, May ay 6, p 24. French’s plumbago oils, Jan. 22, p 22. Alum nickel anodes and the, April 8, p 9. Gas-fired, May 6, p 24. 18, p 26 light in England, The Brush, May 6, p 15. | Friction, ucing, Jan. 1, p 7. and ¢ Agrioultural and industrial outlook in Great Official report on screw stay-bolts for—The Sulphur in, May 18, p 15. light on vegetation, The influence of, April | Frith of Forth bridge, The, Feb. 12, p 11. and ¢ Britain, June 2, p 1…
The Iron Age VOLUME XXV. JANUARY—JUNE, 1880. “ New York: DAVID WILLIAMS, PUBLISHER, 88 READE STREET. 1880. foe RON AGE. —_ iain io | Ga Sec sae 22 fs 18 17 outl J { Ingots : Ay Ont Injector e 25 INDEX TO VOL XNYV. Insurand Interesti Interest | terstat of, Investme pl Tron agai pl Accidents to trains, Broken rails and, Feb. 12, | Boller making, Recent improvements in, Jan. | Coal in Shenango Valley furnaces, Anthracite, | Electic lamps, Recent tests with, March 25, p 1 | French cable, The, May 20, p 8. Age, p ll. . . 93, p 8.’ ’ ’ imte. : ight, Fruit ripened with the aid of ‘the, trade in 1879, Knglish aod, March 18, p 14. pl. Adams patent, Wharton’s nickel salts and cast | Boilers for water works, Feb. 5, p 1. in the iron trade, The consumption of, May ay 6, p 24. French’s plumbago oils, Jan. 22, p 22. Alum nickel anodes and the, April 8, p 9. Gas-fired, May 6, p 24. 18, p 26 light in England, The Brush, May 6, p 15. | Friction, ucing, Jan. 1, p 7. and ¢ Agrioultural and industrial outlook in Great Official report on screw stay-bolts for—The Sulphur in, May 18, p 15. light on vegetation, The influence of, April | Frith of Forth bridge, The, Feb. 12, p 11. and ¢ Britain, June 2, p 15. boop iron question in committee, March trades of Japan, The iron and, May 20, 1, p 11. Frying pan, Death in the, June 3, p 7. Jun Agricultural implements, Exports of, April 22, 25, p 11. p 19. light, The, Jan. 29, p 15. Fuel, Corn cobs for, Jan. 29, p 7. and p 23. Rules for the management of steam, May trade, The coastwise, April 22, p 22. light, The Braunsdorf, Feb. 5, p 18. Furnace, An electric, April 8, p 1. mec Alumina in dephospborizing iron, May 13, 27, p 18. | Cobalt, malleable nickel and, April 8, p 15. light, The Brush, Feb. 26, p 1. Early history of a Maryland, April 1, p 5. and 6 p. 15. scale at Pittsburgh, The new, May 27, p 15. | Cockerill, classification of steel, The, Feb. 19, light, The progress of the, April 22, p 7. The Casson-Bicheroux, May 6, p 1. chat Amalgamated Association and the Heaters and scale in the West, The card and the, Feb. | p 9. lights, The maximum circuit for, April 22, working, Blast, March 25, p 15. and 6 Roliers, The, June 2, p 22. 12, p 15. | Coke, An improved process of manufacturing, | p 7. Furnaces at the Cincinnati Exposition, Bouler, p 19 American cable proposed, An, April 8, p 24. Steel for, Jan. 29, p 5. March 18, p 1. | Electrical storage, A new system of, Jan. 15, p 9. June 8, p 3. and st hand pump, The, March 4, p 15. The resistance of screw stay-bolts for, May items, Jan. 1, p 19; Feb. 26, p 20; March | experiments, Franklin’s, May 27, p 13. Dry oxide cinder bottoms for heating, and st. hardware, English and, Feb. 5, p 13. LD 11, p 138. Electricity, The transmission of power by, April 1, p 1. port Awmerican exhibits at the Melbourne Exhibi- | Bolts and nuts, Interchangeable, Jan. 22, p 13. | manufacture in Colorado, Jan. 15, p 23. March 11, p1; June 17, p 13. of the United States, April 1, 1880, Condi- and st, tion, June 24, p 18. The strength of screw stay, Feb. 26,p1. | trade, The, May 13, p 14. | Electrotyping china, May 27, p 1. tion of the Blast, Apri) 22, pp 14 and 16. Apri Institute of Mining Engineers, The, Jan. | “ Bonsilate,’’ May 20, p 26. | Coking coal and ore lands in Western Peunsyl- | Elements, Proposal to dissociate metalloid, | Gas blow pipe, Useful, May 20, p 17. and 8: 29, p 15. “Booms,” April 15, p 15. vania, A heavy purchase of, Feb. 26, p 1%. | May 6, p A. company, A new, April 22, p 20. Briti Institute of Mining Bagincens, The New | Borsig’s compound steam engine, Feb. 26, p1. | The extraction of oil and ammoniacal li- | Elevated electric railway for Berlin, An, April engines, The introduction of, June 24, p 20. 3, p York meeting of the, Feb. 19, p15; 26,|Box’s patent double-screw hoists, March 18, | quors in, May 6, p 1. 8, p 13. fired boilers, May 6, p 24. and st p 15. p 22. | Colliery explosions, British, Feb. 5, p 8. Emery, Modern uses of, May 18, p 5. firing for steam boilers, March 11, p 1. 4, p iron trade in 1879, Statistics of the, May 27, | Brass, Coating metal goods with, Feb. 5, p 26. | Colonial movement in Europe, The, Jan. 8, | Emigrants, The Red River country as a home The caloric value of, Jan. 22, p 3. and st p17; June 3p 11; 10, p 7. | Brasswork, Coloring, Jan. 1, p 7. p 14. for, March 18, p 22. Gases by metals, The occlusion of, June 17, Apri iron trade in 1879, The, Jan. 8,p 18; May Braunsdorf electric light, The, Feb. 5, p 18. Color blindness among railroad servants, April | Emmet County meteorite, The, June 17, p 18. p 18. and st 27, p 14. Brazil, Late advices from, March 11, bbe. S. » T. eae hability for injury to workmen, | Gauge for small pressures, A pressure, March chine market, English iron and the, April 29, p Protection in, Jan. 1, p 26. Coloring brasswork, Jan. 1, P 7. ane 17, p 14. 11, p1. and ste 14. Trade with, Jan. 8, p P Comly’s patent preseed gearing, Jan. 29, p 7. | Enameling hollow-ware, May 6, p 15. ; The inventor of the steam, Murch 11, p 1 June pig tron trade, Chart of the, June 17, p1. | Brazilian tariff changes, March 18, p 15. Commercial decisions, Recent, March 4, p 17. | Engineering in connection with Cleopatra’s | Gearing, Comly’s patent preesed, Jan. 2%, p 7. and ste pumps in Australia, Feb. 5, p 18. trade, Feb. 19, p 24. influence of great national armaments, needle, Angient and modern, Jan. 15, | Genesee Falls, A plan to utilize, May 27, p 1. of, Jt railroad enterprise in Japan, Jan. 8, p 29. trade, Spanish, American and, June 8, p 14. April 8, p 14. p 18. Geodetic surveys of Africa and Europe, June- { and ste Society of Civil Engineers, The St. Louis | Brazing and soldering burner, May 27, p 3. law, May 18, p7; April 1, p 9; April 8, structures and wind pressure, June 24, p14. tion of the, Jan. 15, p 9. 13, p Convention of the, June 8, p 5 ; 10, p 15. | Brezova, Austria, The open-hearth process at, p 15. Engine, An English traction, May 27, p 1. German exports and imports of iron and steel and ste¢ Society of Mechanical Engineers, The, eb. June 17, p 20. law—Value of warehouse receipts, March | Engines, Cushioning the reciprocating parts of for 1879, March 25, p 1. pacity - 19, p11; April 8, p 15. Bridge, The East River, March 11, p 22; 25, 11, p 15. steam, May 6, p 5. manufacturers at Sydney, March 18, p 15. and sto’ steel rails, The quality of English and, p 22. statistics of France, The, Jan. 22, p 15. Economy of rolling mill, April, 8, p 3. sabwag petiey and the iron trade, The, Jan. and the March 18, p 9. Brighton high service—Temporary water sup- travelers, Taxation of, April 22, p 15. The introduction of gas, June 14, p 20. 1, Pp i 29, p 1 trade with Germany, Jan. 1, p 20. ply, Feb. 26, p 8. ‘Common Sense” band cutter, The, April 8, The Perkins’ high pressure, Jan 22, p 8. standard for Portland cement, The, June as affect woods, On the shearing strength of, March | British Board of Trade Returns, The, May 20, p? England, Capital and labor in, Mareb 18, p 7. 17, p 15. The c’ yee p 15. Compressed air locomotive, June 24, p 20. could be starved out in case of war, How, tariff and the iron trade, The, Feb. 5, p 14. p7. Ammouiacal Berens in coking, The extraction colliery explosions, Feb. 5, p 3. Congress and the driven well patent, April 29, Feb. 12, p 18. trade paper, A new, March 1, p 22. Associat of ofl and, May 6, p : exports of iron, steel and metals, Jan. 22, p 15. Strikes mn, Feb. 5, p 15. water meter, A, April 1, p 3. Weste Annealing of steel, On the hardening, temper- p 15. and the tariff, May 20, p 14. The iron outlook in, May 6, p 1¢. Germany, American trade with, Jan. 1, p 20. barges f ing and, April 15 ps. Iron and steel Institute, Annual meeting of | Congressional regulation of interstate com-| English and American hardware, Feb. 5, p 13. The manufacture of spiegeleisen é. May ‘mn’ Annual review of the British iron trade of 1879, the, May 20, p 17; 27, p 9; June 8, p 9. merce, Feb. 19, p 14. and American steel rails, The quality of, 18, p 7. »14 Jan. 8, p 24. iron outlook, The, May 18, p 14. Conspiracy suits in St. Louis, The, June 17, p 14. March 18, p 9. The preservation of railroad ties in, June ove review of the manufacturing and iron in- iron trade, Annual review of the, Jan. 8, | Constructions, Ignorant builders and defective, and French trade in 1879, March 18, p 14. 8, P 1. ssia dustries of Eastern Pennsylvania, Jan 1, p 2%. May 6, p 15. correspondence, Jan. 1, p 24; 8, p W; The Thomas process in, Jan. 8, p 15. lec con, p 15; 8, p 20. iron trade, The, May 13, p 11. Consular reports, May 27, p 7. 15, p 15; 22, p 22; 29 ;, Feb. 5, p 24; | Glass, Experiments on toughened, Feb. 12, p 1. district, review of the metal market for 1879, Jan. iron trade, The outlook } the, March 11, reports, The publication of, April 15, p 1 12, p 20; 19, P 20 ; 3 p19; 7S items, Jan. 22, p 13; 29, p22; Feb. 19, reb ao. P 14. Contracts, Evading high price, April 29, p 15. pj 11, p 19; 18, p 20; 25, p 19; aoe p 22; 26, p23; March 11, p 22; 25, p 2; Th Anthracite coal in Pennsylvania, Early use of, shipbuilding interests, June 3, p 9. lubor in the New York State Prison, April , p 48; 8, p23; 15, p 20; 22, p19; 2, p May 18, p 15. ‘ Tu June 17, p 20. shipments of iron and steel to this coun- | i: p 18. 19; May 6, p 28 ; 13, p 28; 7? 28 ; “~) Glucose from linen rags, March 25, p 1. oe coal in Shenango Vulley furnaces, April 8, try, June 24, p 15. Convict labor, Feb. 26, p 5. 283; June, 3, p 28; 10, p 20; 17, p19, 24, | Gold and silver in California, Parting, Jan. 29, "© pris p 9% Bronze, Malleable, Feb. 5, p 26; May 13, p17. | Co-operation at Kensington, March 18, p 9. p 20. p 5. for inet Anvil at Motherwell, A huge, June 8, p 5. Manuanese, May 20, p Sy Copper alloys, Tne effect of reducing agents cutlery in America, May 27, p 11. and silver mines, Investments in, April 1 pres Archwopterix, A specimen of the, May 20, p 26. Nickel, May 20, p 19. upon, Jan. 8, p 5. driven well pumps, June 17, p 22. p 14. ; for P:ttst The, Jan. 22, p 38. Brougham & Andre’s electric lamp, April 8, p1. | rolling mills for the Pacific Coast, Jan. 8, iron in the American market, April 1, p 14 and silver yield, The, Jan. 8, p 29. fsom un Argentine tariff, ‘the new, March 18, p 11. Brown & Co.'s rails, John, April 29, p 15. | pl. and 15; 29, p 14. by chlorine gas, Parting silver from, April pir. Armaments, Commercial influence of great | Brush electric light, The, Feb. 26, p p The position of, April 8, p 14. iron works, Petroleum for, Jan 29, p 24. 22, p 18. ‘ ”, Fel national, April SP 14 electric light in England, The, May 6, p 15. tools of Lake Superior, he ancient, April metal markets, The recent course of the, Chareoal as » precipitant of, June 17, p 20. meri European, March 25, ps. Builders and defective constructions, Igcorant, , p 26, ar 27, p 3. Government purchases of four and a half per 7 Armor, Compound, May 18, p 24. May 6, p 15. Copying process, A new, Jan. 1, p 1. road locomotives for the Far West, March cent. bonds, June 8, p 24. industries Armes for the army, navy and militia, Small.— | Butler mine fire cut-off, The, March 11, p 7. | Corea, Opening the kingdom of, Sune 24, p 15. 4, P 11. Grain scale, The “ Standard,” April 15, p 1. , review « Congress and the tariff, April 1, p 15. Cable messages, The new rules for, Feb. 19, p2. | Corn cobs for fuel, Jan. 29, p 7. traction engine, An, May a7, P 1 ships, Construction and loading of, March p 15; 8 Ashtabula Bridge disaster, The, April 8, p 15. grepeses, An American, April 8, p 24. | Cornwall ore banks litigation, The, May 27, p 5. trade marks in the United States, Jan. 1, 18, p 3. in Hockit Aspbalium, Its history, manufacture and he French, May 20, p 8. | Correction, A, Mareb 4, p 19. p 15. | Gray’s centrifugal nut lock, March 4, p 11. pig, Jan uses, June 17, p 13. What has befailen the French Atlantic, | Corrosion of iron under the action of fatty mat- torpedo boat trials, Recent, Jan. 29, p18. | Great Britain, The manufacture of steel in in the Am Atlantic cable, What has befallen the French, May 13, p 26. ters and steam, The, Feb. 12, p 1. wood screw business, The, June 10,p3. | May 20, p 14. , p 14. May 13, p 26. California freight war, Feb. 5, p 15. | Cost prices, June 17, p 3. workmen, The prejudice and conceit of, | Britain, Agricultural and industrial out- in the Bes Audiphone, Au improved, April 22, p 16, oil wells, The, June 17, p 9. | Cotton tie iron, The tariff on hoop iron and, | June 3, p 14. look in, June 24, p 15. phorizat A simple form of, Jan. 2 rf 5 Parting gold and silver in, Jan. 29, p 5. June 24, p 15. Ericsson’s new caloric pumping engine, June | Eastern, The, April 1, p 9. Lake Supe Auger, ‘‘ Eclipse” post, May 6, p 9. Caloric pumping engine, Ericsson’s new, June | ties not affected —Settlement af. the 24, p 7. Gun cottoo, Improvements in the manufacture making in Auriferous Pyrites, A new method of desul- | 24, p - controversy on hoop iron cut to lengths, | Erie Canal one foot, The effect of Deepening | of, Jan, 22, p 3. making ip phurizing, Feb. 19, p 9. Cambria Iron Works seeking cheaper transpor- | April 15, p 15. the channel of the, April 22, p 7. The Hotchkiss revolving, April 8, p 3. marufactu silver ores, Hofmann’s process for refrac- | tation, The, March 25, p 22. | Creasy’s ice breaker, April J, p 13. Canal, Towing on the, May 20, p 17. Haig h’s affairs, Mr. J. Lloyd, Jan. 22, p 15, p 15. tory, Jan 8, p 15. | Canada, Reciprocity with, Jan 22, p 15; May 6, | Currents of the ocean, The temperature and, | Escanaba dock, The, May 27, p 17. | irregularities, J, Lioyd, Jan. 8, Pp ib. market, TI Australia and Tasmania, Tin in, March 25, p 3. 15. Jan. 22, p 3. Essential oils, Chloride of methyl for extract- Hancock inspirator, The work of the, March 4 ll p 4 Australian Exhibition, American honors at the, Conetien imports, Valuation of, March 25, p15. | Cushiouing the reciprocating parts of steam | ing, Feb. 5, p 26. p !7. F mills close Mag %, p 3. sources of ore supply, Available, Feb. 19, | engives, May 6, p 5. European armaments, March 25, p 3. Hand pump, The American, March 4, p 15. mills ended Austria, Railway extension in, April 1, p 1. p 18. Cutlery, Bessemer steel, April 1, p 15. oil fields, March 11, p 7. Hardening, tempering and annealing of steel 10, p 14. Band cutter, The ‘Common Sense,”’ April 8, tariff and the hardware trade, The, May 13, Cheap Sheffield, June 3, p 1. trade outiovk, The, Apri! 29, p 14. On the, April 15, p 5. , mills, The | p % p 15; 27, p7. from Bessemer steel, Sheffield, June 10, p| Europe, The colonial movement in, Jan. 8, Hardware and plated goods trades, How the ore exports Bank laws, Conflicting, May 18 P 15. trade, Feb. 5, p 14. 29. | p l4. dominion tariff affects the, March 25, p 9, ore mines o \ in America, Eoglish, May 27, p 11. Exhibit, A stariling, April 22, p 15. English and American, Feb. 5, p 13. May 6, p Bankrupt law, Draft of a new, March 25,} 15. | Canal project, Another, May 6, p 7. law, The proposed, May 2, p 5. The Panoma, March 11, p 14. Barff process for the protection of iron, The, | Capital and labor in England, March 18, p 7. an. 22, p 7. Carbon in steel, The estimation of, May 6, p 1. Barb fence wire suit, A, May 27, p 1. Barges for grain and coal, Iron, Jan 1, p 7. Card and the boilers’ scale in the West, Bar [ron Manufacturers’ conference, April 22, Feb. 12, p 15. 15. Carey, Dr. Wm. Elder’s memoir of Henry C, | Base oan, May 20, p 26; 27, p26; June 17, p Jan. 15, p 9. yO, 20; June 24, p 22. | Carves’ system for utilizing the by-products in | Beaver Falls tariff demonstration, The, June 3, | the manufacture of coke, June 8, p 9. p 14. | Car wheels, Grinding chilled Jan. 15, p 9. Falis, Pa., The workingmen’s tariff de wheels, Wood-ceutered, Jan. 1, p p | monstration at, June 10, p 11. | Castings, Heavy stee!, May 27, p 1. Belgian Exhibition, The, Ages 1, pl. Cast-iron magnets, Jan. 1, p 1. | steel rails, March 11, p 9. | Casson-Bicheroux furnace, The, May 6, p 1. | Belgian independence, Fifty years of, June 24, | Cast-stee! ingots, Ou the structure of, April 29, > 14. | ri. | Belleville district, The iron ore mines of the, | Celluloid, A patent decision relating to the | | Carbons for electric lamps, Paper, Feb. 5, e= | he, | Cyfarthfta, Spanish iron stone for, Jan. 1, p 26. Cylindrical fitting, Standard sizes in, Feb. 5, p 26 Damper regulator, The Peerless, Jan. 15, p 9. Danforth Locomotive Works, partial destruc- tion of the, March 11, p 22. Deadeuing noises of workshops, May 13, p 20. Decorated tin plates and tin goods, June 3, », Dephosphorization of iron in the Bessemer converter, On the, May 20, p 17. of iron theoretically considered, Feb. 19, p 7. of steel, April 22, p 11. problem, The, May 27, p 14. Dephospborizing iron, Alumina in, May 18, p 15. process, Krupp’s new, Jan. 8, p 15. Exhibits at the Melbourne Exhibition, Amert- can, June 2, p 13. May 20, p 3 The Belgian, April 1, P 1. The Melbourne, Feb. 5, p 3. The Millers’ International, Jap. 29, p 15. The New York International, April 8, p 7. Explosion of the Thunderer 38-ton gun, Tbe, Feb. 12, p 18. Explosicas, British colliery, Feb. 5, p 3. trade, The Canadian tariff and the, May 13, v 15; 27, p "a Exhibition, Americau honors at the Australian, Harrow, Rovers’ ‘* Duplex,” April 8, pil. Heaters and Rollers, Tne Amaigamated Asso- ciation and the, June 24, p 22, Heating furnaces, Dry oxide cinder bottoms for, April 1, p 1. Henderson’s little tariff bil, Mr., Feb. 19, p 15. Heveenoid, June 8, Pp 17. Hocking Valley, Ohio, Cost of making pig iron in, June 29, p 13. Export during eleven months, Domestic, Feb. Horde cinder, Composition of the, April 1, p 1. 26, p 14. markets, Dullness iv, Jan. 22, p 5. since the war, Domestic, Jan. 15, p 14. Exports of agricultural implements, April 22, » 22 and imports, June 5, p 24. Hofmann’s process for refractory auriferous silver ores, Jan. 8, p 15. Host, s improved automatic power, May 6, p e B »x’s patent double-screw, March 18, p 23. Hollow-ware, Enameling, May 6, p 15. Factory buildings, The vibration and fire risk Hoop iron, Feb. 12, p 15. May 6, p 15. Bells, May 27, p 13. Benner again, May 27, p 11. manufacture of, June 24, p 5. Cement, Portlund, May 27, p 24. The German standaru for Portland, June | Deprez indicator, The, May 20, p 26. Diamonds, Artificial, Jav. 22, p 3; April 1, p ll. | Disinfectant, A new, March 25, p 1. of high, March 11, p 5. iron and cotton tie iron, The t floors, A method of constructing, April 1, | June 24, p 15. : we: 08, > 7. iron controversy, The—Duty on damaged Outlook in | outlook, Th outlook, Th = immit ear! inlayn pipes by ma and plate, question in | report on March 25, question, Se Speaker or receipts at P sailing ship! Scoteh pig, I shipbuilding shutters, Im] eponge for ti: steel and met 22, p 15. The Barff pr Jan. 22, p 7 Bessemer cinder, The action of spiegeleisen | 17, p 15. I upon the phosphorus in, March 4, p19. | Census, Iron and stee) statistics in the coming, | Dock, Tae Escanaba, May 27, p 17. Failures during the first pester of 4bis and Russia sheets, March 11, p 15 The duty on | converter, On the dephosphorization of | June 17, p 15. | Domestic export during eleven months, Feb. previous years, April 15, p 16. iron cut to lengths, Delay ip assessing the The eff-ct of iron in the, May 20, p 17. of 1880, Manufacturing statistics in the, 26, p 14. in the iron trade, The recent heavy, June specific duty on, April, p 15. 4, p19. pig, Removing silicon from, Jan. 29, p 7. May 2, p 14. Domivion in 1879, Our trade with the, June 24, 10, p 13. iron cut to lengths, Settlement of the con- : The passivity steel cutiery, April 1, p 15. | Champlain ore, April 8, p 9. | p 22. in 1879, Jan. 29, p 15. | troversy on—Cotton ties not affected / The position « tariff affects the bazdware and plated goods | Fao, The Sturtevant, Feb. 12, p 1. April 15, p 15. , ; theoretical steel rods, Assistant Secretary French’s | Churcval as a precipitant of go'd, June 17, p 20 letter on—The Ways and Means Commit- | Chattanoova vistrict, The mineral resources of tee and the tariff, April 22, p 15. the, March 11, p 3. steel, Sheffield cutlery from, June 10, p 22. | Checking fares, A novel method for, April 22, iron decision, The, March 18, p 14. tion of kt iron duty, The, March 4, p 15, trade andl the iron duty, Tucker and Garfield’s reports on trade, Chart o 1 Farcot’s continuous illuminating gas process, Jan. 22, Pp 3. Feed pump, The “ Economic,” June 8, p 20; traaes, How the, March 25, p 9. | Domnarfvet fron Works, The, Feb. 19, p 1. Drawing press, A new, May 6, p 1. steel, Silicon and manganese in, Jan. 29, | p 7. presses for tinwware, New power, April 8, 10, p 1. “ the—The new tariff bills, May 13, p 17. p 1. p 7. | Chemica! photometer, A new, Feb. 5, p 26. p 1. Feed-water cleaner, Tne Tretheway, March 18, | iron question in committee, The—Official ' trade in 1879 steel, The estimution of cinder in, Jan. 29, | Chili, New mineral discoveries in, March 25, | Drawings, The tachymetric process of dupli- . report on screw stay-bolts for boilers, May 27 i » 5. p 15. eating, May 20, p 26. Ferromanganese in puddling, April 1, p 1. Mareh 25, p 11. wade tn isto : Bethlehem Furnace, The, April 1, p 1. | China, Electrotyping, May 27, p 1. Drill for blast can Expanding, Feb. 26, p 1. | File of novel construction, A, April J, p 18. iron question, Secretary Sherman’s letter trade in 1879.’ Bilbao ores, Feb. 19, p 15. Manufacture of sheet lead in, May 6,p 9. | Driven well patent, Congress and the, April 29, Filtering, June 10, p 22. to the Speaker on the, March 18, p 15. May 27 i4 Spain, Iron ore exports from, June SP 1, Steel making in, April 15, p 7. | p 15. the Mississippi water, Feb. 19, p 22. iron, The duty on, Feb. 5, p 14. | trave asp Billings ou stove patent, The, April 1, p 17. The war cioud in, April 22, p 22. well pumps, English, June 17, p 22. water, Iron sponge for, oe p 24. | Horse-shoe, Seixas’ weighted, April 15, p 9 ’ p14 & Bisulphide of carbon motors, Feb. 5, p 15. | Chinese in California, The rights of, April 22,,| Duplex and quadruplex trausmitters, The, Fire alarm, A cheap, Feb. 5, p 26. Hot-blast stove, The new Whitwell, Apml 22, he of carbon motor experiments, The, Mareb | p 18. | March 4, p 19. cut-off, The Butler mine, March 11, p 7. p 1. trade of 1879, A 25, p 11. | Chlorine an element ? Is, Jan. 1, p 20. | Dynamo electric machine, An improved, March proof cunstruction, Jan. 15, p 3. by cold-blast, Regulation of the tempera- ; Jan. 8, P 24. Black fiilis country, The, May 20, p 3. | gas Parting silver from gold by, Apml 22, a protection for cities, Feb. 26, p 20. ture of, Jan. 8, p 2Y. trade, The Brit Blast furnace, Notes on the, March 4, p 1. p 18. electric machine, The efficiency of the Edi- | Fires and insurance, Jan. 15, p 7. Hotchkiss revolving gun, The, April 8, p 8. a trade, The cons furnace, Petroleum as a fuel forthe, March | Cincinnati Exposition, Boiler furnaces at the, son, May 13, p 17. | with steam, Extinguishing, May 13, p 13. Hudson River Tunnel, Actual progress of the, ie 13, p 26. . 4p 2%. June 3, p 3. Earth’s primurdial ocean, Probable tempera- | Fluid for preserving organic substances, Feb. April 15, p 15. i trade, The Gert furnaces of the United States, Jan. 1, 1880, Smoke in, Feb. 19, p 16. ture of the, Feb. 26. p 1. 12, p 1. | River Tunnel, Compressed air in the t Jao. 1, p 26, Couditiun of the, Jan. 15, p 14. The smoke nuisance in, April 1, p 15. East River Bridge, The, March 11, p 22; 25, p| Foreign trade in 1879 and 1878, Our, May 20, | Jan. 22, p 15. r trade, The outl furnaces of the United States, April 1,| Cinder bottoms for heating furnaces, Dry ox 22. p 15. | River Tunnel,The, March 18, p5; May 20 hi 1, p 14. 1880, Condition of the, April 22, pp 14 ide, April 1, p 1. | Eaton tariff commission bill, The, May 27, p 15. Foun jing, Papers on Practical, Feb. 12, p 3. | pl . ? P trade, The rece and 15. Civil Engineers, The St, Louis Convention of; “ Eclipse’’ post auger, May 6, p 9. Foundry eupolas, Melting 1ron with coal and | Steamboats on the, Feb. 12, p 22. June 10, 13. furnace without blowing out, Relining a the American Society of, June 3, p 15;| ‘‘Economic” feed pump, The, June 3, p 20; coke 1n, Jan. 8, p 8. | Hygiene of occupation, Jan. 1, p 8. : trade, The West Feb. 19, p 7. June 10, p 15. 10, p 1. ladie, An improved, May 27, p 1. | Ice breaker, Creasy’s, April 1, p 13. a under tbe actic furnace with two lines of tuyeres, A, March | Cleopatra's needle, Feb. 5, p 13. Edison dynamo-electric machine, The efficiency |: _— pig, Recent experiments in, April 29,p 8. | Iiluminating gas proces-, Farcot’s continuous. a steam, The co: 4, p19 needle, Aucient aud modern engineering in of the, May 13, p 17. | France in 1879, Production of iron and steel in, Jan. 22, p 3. ; : with coal and | connection with, Jan. 15, p 18, electric light, Jan. 1, p 1. April 8, p 15. Implements, Exports of Agricultural, April 22, Meltiog, Jan. | » 22. F works, Petroieut furnace workivg, March 25, p 15 Blooms and billets, Steel, April 22, p 14. Blower, The first rotary, April 15, p 13. The commercial statistics of, Jan. 22, p 15. : The duty on steel rails in, May 20, p 14. Import duties, The Russian, June 17, p 20. The scheme of so-called reciprocity with, | Imports, Exports and, Junt 3, p 24. , i? works, The Dom Tronelads, The unfini Ironmaster’s “ views _ needle, Iron from under, March 4, p 15. lamp, Electrical invascrements of an, April Clocks, Pneumatic, March 18, p 5. 22, p 5. Blowing engine, Tbe Weimer, vune 3, p 1. in cities, Pneumatic, June 3, p 26. light, The photome/ric power of the, April Blow pipe, Useful gas, May 20, p 17. Clutch detacher, The Lloyd, June 17, p 11. 1, p11. 7 Jan. 1, p 15. Valuation of Cavadian, March 25, p 14. I nl eater atern-wheel, Feb. 5, p 18 Coal and iron district, The North Staffordshire, process, The, June 17, p 20. |__ The steel works of, April 1, p 1. India, Railway extension in, March 11, p 15. ronstone for Cyfart! Boiler braces, The proper dimensions of, April | March 4, p 3. Elder’s memoir ‘of Henry C. Carey, Dr. Wm., | Franklin’s electrical experiments, May 27, p 18. | Industrial art exhibition in Philadelphia, The I ap She Bote a6 5 2,p3. _ _ ee digging, Co-operative, Jan. 1, p 7. Jan 15, p 9. Free trade and protection, Feb. 19, p 3. coming, June 38, p 7. ’ ‘ jposwers, Notes on, explosior, The Wilt, Jan. 15, p 1. fields of Colorado, March 18, p 1. Electric furnece, An, April 8, p 1. Freight war, California, Feb. 5, p 15. | art school in New York, An, April 1, p 15. t win steam injecto! furnaces at the Cincinnati Exposition, in Pennsylvania, Early use of anthracite, lamp, Brougham & Andre's, April 8, p 1. | #rene Atlantic cable, What has befallen the, | Industrie! items, Jan. l, p11; 8, p@; 22, po; my Mareh 25, p 1. June 3, p 8. June 17, p 20 lamps, Paper carbons for, Feb. 5, p 26. May 13, p 26. 29,p11; Feb.5, p1ll; 12, p92; 19, p ’ “ram, — wee ee THE IRON AGE. 22; 26, p 22; March 4, p19; 11, p9; 18, | Japan, Iron making in, April 8, p 1. Pies : = oe — Nickel! salts and cast nickel anodes and the Ad- Punching machine, A large, March 18, p 22. Standard sizes in cylindrical fitting, Feb. 5, p26. 11; 25,p11; Aprill, p19; 8, p11; Pittsburgh locomotives for, March 11, p 22. ams patent, Wharton’s, April 8, p 9. Pyrites, A 0 5, » tl; 22, pd: 2, pil. May 6 pil: Tu iff changes in, May 27, p 24. Niello work, June 8, p 1. p P yr Saridereun Feb. 19, p of desulphurizing es C7 yous be substantiated, A, 18, p 26; 20, p 26; , p17; June 3, p The iron and coal trades of, Muay 20, p 19. | Nitroglycerme, An Improved method of manu- | Quadruplex transmitters, The duplex and, | Steam boilers Gas firing for, March 11 1 17; 10, p 22; 17, p 22; 24, p 22. Threatened derangement of trade with, facturing, April 22, p 7. ia 4, p 19. ’ befor. Rul pv ee, 3 : re M outlook in Great Britain, Agricultural and, May 6, p 26. Non-consuctors for steath pipe, The value of, ' Rail arguments, Mr. Poor’s steel. March 18 27 p13 es tor the management of, May June 24, p 15. Japanese tariff revision, Jan. 8, p 7. May 18, p 17. ' p 14. ’ ’ ’ eogtns Borste’s piiiaienlt, Hide Mims Ingots and rails, Large production of steel, | Katzenstein’s metallic packing, April 29, p 7. North Staffordsbire coal and iron district, The, hearing, The steel, Feb. 5, p 15. canna Cusblont nm . Fine P s April 8, p 1. Kensington, Co-operation at, March 18, p 9. March 4, p 8, Railroad accidents in England during 1879 o May 6, p 5 eT ee On the structure of cast stee!, April 29, p 1. | Knights of Labor, Apni 1, p 3. Novelties, Recent, June 24, p 11. June 8, p 24. ’ Ean nine ious etth, San th. w 18 Injector patent, Decision on an, March 25, p 1.) Krupp washing process for puddling, The, | Norvegium, May , p 26. accidents, Cuaracter and relative fatality a e The =< tor of the M r Fy pl The working of the Irwin steam, March April 8, p 15. Nut lock, Gray’s Centrifugal, March 4, p11. of, June 2, p 14. fegeotee Th st ate : f - Irwi ae h 25, p 1. works, Production of the, Jan. 8, p 7. Obituary, May 27, p 26. construction in 1879, Jan. 29, p 14. 25, p i ie aeee eo oak ree in Pte. — new dephosphorizing process, Jan. 8, a gases by metals, The, June 17, se in the world, The shortest, June 24, in factories, Management of, Jan. 1, p 1; & Interest law, The New York State, Jan. 8, p 3. | Labor and the store system, April 29, p 3. Ocean, Probable temperature of the earth’s earnings @ pi. Interstate commerce, Congressional! regulation - ware yh gM Fae | a . primordial, Feb. 26, pl. year, Leet first quarter of the Pipe, — of non conductors for, May of, Feb. 19, p 14. ,p 26; 12. p 22; 26, p18; Mare Pp he temperature and currents of the, Jan. enterpris ; : Sevesintiidie te gaa end oliver mines, Apeil 1, 3) 25, 22; April : pis io p20; is, no. — , Ly e in Japan, American, Jan. 8, oonrees an the British and Americas p 14. 3 22, , ; May 6, p 13; | Ohio, A novel plan for the improvement of the, management, Le . : : Iron against rust, The preservation of, May 27, Ts, p 24; Bo, p 26; dy p20; June, 3, p Mareh 4, p 14. a 15, p id. gislative interference with, = = tre Hudson, Feb. 18, Pp 28. i. pi. 13 ; 10, p 20 ; 17, p 22; 24, p 20. Oil and ammoniacal liquors in coking, The ex- outlook, The, Jan. 1, p 14. April 1, p 1 ™ . a Age, The new western steamer the, April 1, in England, Capital and, March 18, p 7. traction of, May 6, p 1. servants, Color blindness among, April 8 A — onaia ion te pl. in the New York State prisons, Contract, fields, European, March 11, p 7. p 7. cae : | Steel and metals Scien : P ote f Iron. J Alumina in dephosphorizing, May 138, p 15. April 1, p 18. fires, June 17, p 15. ties in Germany, The preservation of, June oi” ritish exports of iron, Jan. and coal trades of Japan, The, May 20, p 19. Knights of, April 1, p 13. stone patent, The Billings, April 1, p 17. 8, p 1. s apd the open-hearth Tool, April and cotton tie iron, the tariff on hoop, question, The, March 4, p 14. wells, The California, June 17, p 9. Railroads and the steel rail duty, The, March 4 i, ot pen-hea process, 1001, Apr June 24, p 15. situation, Tbe, May 6, p 15. Old year and the new, The, Jan. 1, p 14. p 11, ’ : ; PA ae ala lis -ta nenteal and steel at elevated temperatures, The} Ladle, An improved foundry, May 27, p 1. Open-hearth plant at Springfield, The, June 3, The caving-in of, June 17, p 11. pro coniies of hes uk, Mared 25, | 7. Cs mechanical properties of, March 25, p 7. | Lake Superior iron, Feb. 5, p 20. 24. Rails and accidents to trains, Broken, Feb. 12, at bi . temperatures. On some enna 8 OC- and steel at bigh temperatures, Oa some Superior ore for 1880, May 27, p 24. plant, A modern, June 24, p 3. s F : ana i ¢ ad. j me 3.5 ey ges oO changes occurring in, June 3, p 9. Superior, The ancient copper tools of, process at Brezova, Austria, The, June 17, and the tariff, Steel, Jan. 29, p 15 nme oat oon am ’ pit v, P Wak & and stee] at low temperatures, March 4, tab — 8, p 26. ods ‘a 20. Belgian steak” Mared or oc . Ry emperatures, Iron and, Mare . p 19. akes, The temperature of the water of frozen, process, On the reactions in the, May 20, foreign steel, Feb. 19, > 14. : oa and steel, Brown tint for, May 6, p 3. June 96, p 0. p 17. in France, The duty on task, May 20, p 14. jeone tek lar tek a ake 8 and steel for 1879, German exports and im- | Language of scientists, Proctor on the, March process, Tool steel and the, April 1, p 1. John Brown & Co.'s., April 39, p 15. aaainanin con aioe pv. ports of, March 25, p 1. 25, p 7. . steel, Properties and manufacture of, June Large production of steel ingots and April cutl oo B nee Zz VL 15 and steel in France in 1879, Production of, | Laplace, Modern discoveries and the bypothesis 8, p 24. 8 pL. , lery, pues noid a , p a April 8, p 15. of, April 22, p 7. steel, Uniformity in, March 4, p 19. on an incline, Wear of, June 10, p 5. Fah ofe ot of ad i in 2 rs 13 and Sieel Institute, Annual meeting of the | Lathrop’s self-feeding ratchet drill, April 15, | Ore, Champlain, April 8, p 9. Protection for steel, Feb. 12, p yp for botlers Jan. 29, p 5. és oP British, May 20, p 17; May 27, p9; June pt. for 1880, Lake Superior, May 27, p 24. The duty on steel, Jan. 29, p 14, for 1879 Gevaan taperis and imports of 8, p * ie ete - on 3 pb ye. ae June i“ pl. a 94 70 lands = Western Se * gd The life of steel, May 6, p fy. iron and March 25, p 1 and steel, On testing machinery for, June | Lea stricts, 1 Wo great Spauish, June <4, p ¥. urchase of coking coal and, Feb. 26, 2 f 5 ane oe "3 2A, p 3. 2 . F > in — Manufacture of sheet, May 6, . 13. eee > - and American steel, “7 — rs learned to make, and steel, Our imports of, April 1, p 19; p 9. question in the West, The, April 29, p 15. The railway protests against reduction of : ee April 15, p 14. The position of, April 15, p 15. supply, Available Canadian sources of, duty on eee Feb. io, p 15. 2 aeesech age Nag Bead Poel at tee tial and steel plates, Improvements in ma-| Lebanon as an iron center, Jan. 15, p 15. Feb. 19, p 13. Railway apparatus, Improvement in, May 6 Apri! 8. p 15 ’ ’ chinery for rolling, Jan. 22, p 1. Legislative interference with railroad manage- supply of the West for 1880, The, Feb. 12, po ’ eo" ence 8 7k Sade groduetion of and steel statistics in the coming census, ment, Jan. > 14. p 24. extension in Austria, April 1, p 1. pe gf 8, g : June 17, p 15. Lehigh ai Works, The, Jan. 1, p 26. Ores, Bilbao, Feb. 19, p 15. extension in India, March 11, p 15. ingots on the structure of cast April 29, and steel to this country, British exports | Lighthouse, Tampico, March 25, p 1. Port Heory, May 20, p 15. for Berlin, An elevated electric, April 8, a : ; of, June 24, p 15. Little Giant testing machine, The, June 17, p 9. | Organic substances, Fluid for preserving, Feb. p 18. tn Great Britain, The manufacture of, May and steel wire, Molecular changes in, May | Lloyd clutch detacher, The, June 17, p 11. 12, p 1. policy and the fron trade, The German, Jan. 20, p14 : : } 18, p 17. Locomotive building interest, The, April 1, p 9. | Over worked people, An, June 3, p 24. 1, p 26. <a P high April 29, p 14 and steel works of the United States, Ca- Compressed air, June 24, Aaa Packing, Katzenstein’s Metallic, April 29, p 7. speed, High, May 18, p 19. making in China April fs pt pacity of the, April 29, p 15. The latest fast passenger, May 18, p 15. with wire cloth insertion, Rubber, April 29, | Railways, London, March 18, p 20. On the hardening tempering and annealing and stoves, June 8, p 7. Locomotives for the far West, English road, p 9%. Ratcbet drill, Lathrop’s self-feeding, April 15, of, April 15 on and the American market, English, April March 4, p 11. Painter at Pittsburgh, Death of Jacob, May 20, p7. | Ons’ inant eee oil April 1, p 19; 29, p 14. for Japan, Pittsburgh, March 11, p 22. p 15. Reading railroad failure, The, May 27, p 14. 15, p 14 P ; r as affecting its value for foundry purposes, | London railways, March 18, P 20. Palestine Railroad, The, April 29, p 7. Reading's finances, June 10, p 8. plates feprovemente f= meschiocry ter The chemical composition of pig, Feb. 5,| Machine saw classification, May 6, P 24. Panama Canal project, The, Aprt , p14. Reciprocity idea in the British parliament, The, rolling iron and, Jan. 99, p 1 p7. Machinery for rolling irou and steel plates, Im- Canal, The, March 11, p 14. March 4, p 15. Properties and ‘manafactare of open- Association, The recent action of the provements ip, Jan. 22, p 1. Canal, The dangers of the, April 1, p 15. with Canada, Jan. 22, p 15; May 6, p 15. hearth, June 3, p 24. Western, March 25, p 14. Magnets, Cast-iron, Jan. 1, p 1. Paper carbons for electric lamps, Feb. 5, p 26. with France, The scheme of so called, Jan. rail arguments Mr. Poor’s, March 18 p14. barges for grain and coal, Jan. LP 7. in mills, March 25, p 1. Papin, Denis, May 13, p 24. 1, p 15. ral Guy, The a ee eee ‘m’’ and the government, The, June Manganese bronze, May 20, p 24. Patent amendments now being pressed in the Red river ccuntry as a home for emigrants, p i , , , » 14. in Bessemer steel, Silica and, Jan. 29, p 7. United States Serate, Feb. 18, p 18. The, March 18, p 22. rails avd the tariff, Jan. 29 p 15. oversy, The ae et | on damaged | Manufacturing and irun industries of Eastern case decided, A, Jan, 1, p 19. Regelation, June 8, p17. - rails, Belgien, March 11, pb. 3sia sheets, March 11, p 15. Pennsylvania, Annual review of the, Jan. decision relating to the manufacture of | Regulation of the temperature of hot by cold iy Foreign Feb. 19 P 14, dee ion, The hoop, March 18, p 14. 1, p 15; 8, p 20. celluloid, June 24, p 5. blast, Jan. 8, p og rail hearing, The, Feb. 5 p 15. diet ct, The North Staffordshire coal and, | Marufacturing statistics in the census of 1880, Office, New rules of the, Feb. 19, p 11. “Revenue reform,” The animus of, Feb. 12, sale te Sees, ‘The duty ‘on, May 20, p 14. \-reb 4, p 3. May 20, p 14. Pear! inlaying on iron, Feb. 12, p 5. p 15. rails Protection for, Feb. 12. p 22. ; ty The oop, March 4, p 15. Maryland furnace, Early history of a, Apri) 1, | Peerless” damper regulator, The, Jan, 15, Revolving gun, The Hotchkiss, April 8, p 3. a ale on, — 99, ; e 6 Tucker and Garfield’s report on the p 5. p 9%. Rods, Assistant Secretary French’s letter on rails, The life of, May 6, p 14. ho »p—The new tariff bills, May 13, p 17. | Massachusetts, Strikes in, March 11, pi. Pennsylvania, A heavy purchase of coking coal Bessemer steel—The Weys and Means satis’ Tan quality of Englien and American "© prise in Utah, An, Jan. 1, p 11. Master Carbuilders’ Convention, June 24, p 18. and ore lands in Westeru, Feb. 26, p 18. Committee and the tariff, April 22, p 15. Siieah 18, p9 ’ for «ineteen consecutive years, Range of | Mechanical engineerinyg—Its scope and its im- Annual review of the manufacturing and | Roger's “ duplex"? harrow, April 8, p 11. sale, The rasiway poteste against reduc. peces of, April 29, p 14. por-ance, March 11, p 7. iron industries of Eastern, Jan. 1, p 15; | Rollers, The Amalgamated Association and the tion of duty on, Feb. 19, p 15 fer P:ttsburgb, Virginia, April 15, p 13. Engineers, The American Society of, Feb. 8, p 20. heaters and, June 24, p 22. ade, Anaiehdiensehers Meameite telter tsom under Cieopatra’s needle, March 4, 19, p 11; April 8, p 15. Early use of anthracite coal in, June 17, | Rolling mill eugines, Economy of, April 8, p 3. a ieameeaie antiien Ways sak tenn p ir. Melbourne Exhibition, The, Feb. 5, p 3. p wv. mills, Reduction of wager in the, April 29, Committee op the tariff, April 22, p 15. ; ~ , Feb. 12, p 15. Melting on with coal and coke in foundry cu-| Perkins’ bigh pressure engines, The, Jan. 22, p 7. Sheffield cutlery from Bessemer June 10 ’ merican markets, English, April 1, polas, Jan. 8, p 3. p 8. Rotary blower, The first, April 15, p 13. p 22. ‘ ; | p 40. point of some metals, The, March 11, P1. | petroleum as a fuel for the blast furnace, knife, Peach and apple pearer, Sune 8, p13. Silicon and manganese tn Bessemer, Jan. industries of Eastern Pennsylvanies, Annual points of some minerals, The, April 8, P 1. March 4, p 20. Rowland, Death of Nathan, Jan. 29, p 15. 29, p 7. \ review of the manufacturing and, Jan. 1, | Meta! goods with brass, Coating, Feb. 5, p 26. fields of Russia, The, May 13, p 24. Rubber packing with wire cloth insertion, April square, The, Feb. 26, p 7. ’ p15; 8, p 20. Orio. ° maki as ge or JOM. Annual review of the, for Segtich iron works, Jan, 29, p * ». 5.1R 29, p 9. etn Ale tae ie statistics in the cotaiug census, Iron and, in Hocking Valley. Ohio, Cost of making Fe, ; Philade!phia, Technical education in, Feb. 5, | Russian import duties, The, June 17, p 20. June 17, p 15. pig, Jan’ 29, p 13. markets, The recent course of the English, Pp I5. R Russia sheets, Duty on damaged—The hoop Steam for snanaeuiahen. June 3, p 24. in the American market, English, April 1, May 27, p 3. The coming industrial art exhibition in, iron controversy, March 11, p 15. steamship, A large, June 8, p 1. p 14. wood an | stone-working machine, An Im- June 3, p 7. The petroleum fields of, May 13, p 24. The Cockerill classification of, Feb. 19, p 9. in the Bessemer converter, on the dephos- proved, June 17, p 13. Water meters in, Jan. 8, p 29. Rust, The preservation of iron against, May 27, Tke eflect of forging and anrealing, May 6, phorization of, May 20, p 17. Metals, Recent enn, Oe oe mechanical Phosphorescent paiut, May 6, p 24. pl. p 1. Lake Superior, Feb. z p 20. properties of, June 17, | J 92 photographs, Feb. 5, p 26. Saharan railway, The, May 13, p 26. The estimation of carbon in, May 6, p 1. making in Japan, April 8, p 1. Briush exports of iron, steel and, Jan. 22, pnosphorus in Bessemer cinder, The action of Sailing ship launched, An iron, May 6, p 11. The estimation of cinder in Bessemer, Jan. making ip ‘lennessee, June 10, p 5. . , es a ; spiegeleisen upon the, March 4, p 19. Saw classification, Machine, May 6, p 24. 29, p 5. mavufacturers’ conferenc’, Bar, April 22, The occlusion of ques oy une 17, p13. | Photographing cn leather, Jan, 22, p 3. set, Morrill’s, May 13, p 13. The hardenmg of, March 4, p 13. p 15. The reaction in, March 25, p 14. Photometer, A new chemical, Feb. 5, p 26. Scientific and technical, Jan. 1, pl; 15, p9; | to this country, British exports of iron market, The outlook in the western, March | Metailic compound, A new, } me i, pl. Pig from imported ores in the North of Eng- 22,p3; Feb. 5, p26; 12,p1; 26,p 1; and, Juae 24, p 15. 11, p 14. packing, Katzensteio 8, April 29, p 7. y land, Manufacture of, May 6, p 5. March 11, p1; 25,p1; April l,p11; 8, Uniformity in open hearth, March 4, p 19. mills closed, June 3, p 24. Metalloid elements, Proposal to dissociate, May fron as affecting its value for foundry pur- p 1; 22, p5; May 6, p 24; 18, p 17; 20, | wire, Molecular changes in iron aud, May mills ended, Tbe strike in the western, June 6, p 24. — 7 08e8, The chemical composition of, Feb. p 26; 27, p 1; June 8, p17; 17, p 18; 24, 13, p 17. 10, p 14. Metallurgical notes, Jan. 8, 2 ; 29, p5; Feb. p p 7. p 20. works of France, The, April 1, p 1. mills, The sliding scale in, May 13, p 15. 19, p 7; March 4, Pe 3 a Pp 13; > P iron in Hocking Valley, Ohiv, Cost of Mak- | Scotch pig iron, Feb. 5, p15; March 4, p19. | works of the United States, Capacity of ore exports from Bilbao, Spain, June 8, p 1. 5; Aprill,p 1; 8, p15; 22, pil; May ing, Jan. 29, p 13. pig iron trade in 1879, The, Jan. 15, p 14. | the iron and, April 29, p 15. Scott’s new project, Colonel, Feb. 5, p 26. Stern-wheel boats, Western, Feb. 5, p 13. Tre, 6, p1; 13, p 15; June 3, p 24; 17, p 20. Screw business, The Englisu wood, June 10, | greyens battery, The, March 4, p ll. on, Scotch, Feb. 5, p15; Mare 9. Metallurgy in 1879, Progress of, Jun, 22, p 14. fron, Bcoteh. Feb. 5, p 15; Marcb 4, p 19 ore mines of the Belleville district, iron trade, Chart of the American, June 17, May 6, p 15. outlook in England, The, May 6, p 14. Meteorite, The Easmet County, June 17, p 138. s. 3. | Strike in the Western iron mills ended, The, outlook, The, Feb. 12, p 14. , Methyl for extracting essential oils, Chloride ain trade in 1879, The Scotch, Jan. 15, p aie bolts for boilers, Official report on— ™ June 10, p 14. outlook, The British, Ma 13, p 14. of, Feb. 5, p 26. 14. The hoop tron question in committee, | gtrikes in England, Feb. 5, p 15. enic immivent? Is another, June 17, p15, | Metric system, Opposition to the, March 18, Recent experiments in foundry, April 29, March 25, p 11. in Massachusetts, Marci 11, p 1. earl inlaying on, Feb. 12, p 5. p ll. » 3. stay bolts for boilers, The resistance ef, The braggart policy in, Mareh 11, p 15. pipes by machinery, making riveted sheet | Mexican telegraph company organized in New Removing silicon from Bessemer, Jan. 29, May 20, p 7. The statistics of, March 18, p 15. and plate, May 6, p 9. York city, A, April 8, p 11. p 7. Seixus’ weizhted horseshoe, April 15, p 9. | Strikers, The rights and duties of, June 10, p14. question in commi'tee, The hoop.—Official | Mexico und the West Coast, May 20, p 14. Pipes by machinery, Making rivet sheet and | Shearing strength of American woods, On the, | Strong fuel vas, Recent investigations of the, report on screw stay-bolts for boilers, | Millers’ International Exhibition, The, Jan. 29, plate tron, May 6, p 9. March 25, p L. March 25, p 5. Mareb 25, p IL. p 15. itts , -ipts i ; question, Secretary Sherman’s letter to the | Mineral discoveries in Chili, New, March 25, Pittebargb, Iron reeetpts at, April 8, p 11 Sheet and plate iron pipes "y machinery, Mak- | Stone-working machine, An improved metal, jocomoitves for Japan, March 11, p 22. ing riveted, May 6, p 9. wood and, June 17, p 18. Speaker on the hoop, March 18,p 15. p 15. 5 lot e . 0. 8 p Sheffield cutlery, Cheap, Juve 3, p 1. S:ore system, Labor and the, April 29, p 3, receipts at Pittsburgh, April 8, p 11. resources of 8 »uthwest Virginia, The, Feb. The cones, £0 a Ad - April 1, p 26. Shevango Valley furnaces, Antbracite coal ip, | grove te ee The N ees Aseuciation sailing ship launchea, An, Muy 6, p 11. 26, p ll. ; The vew boilers scale at, May 27. p 15 April 8, p 9. of, Feb. 5, p15; 12, p 7 and 15; 19, p11. Scoteh pig, Feb. 5, p 15; March 4, p 19. resources of the Chattanooga district, The, Virginia tron for, Apri 15 p 13 ’ . Shipbuiiding interests, British, June 8, p 9. The new Wahitweli boi-blast, April 23, p 1. shipbuilding, Jan 15, p 16. March 11, p38. Westumnen*a ae Se ene > 16 Iron, Jau. 15, p 16. ‘ a trade, Some aspects of the, June 17, p 14. shutters, Improvement in sheet, May 6, p7. | Miners’ Union revived, The, April 8, p 24. Plated goods trades Stade tine entaion tariff | Shipping interests of the lukes, The, Feb. 5, icade, The weteibees Of manntectures snd eponge for titteriug water, May 6, p 24. | Mines of the Belleville district, The iron ore, alisshe the bent@ete end. March p 9. p 15. dealers in the, June 24, p 15. steel and metals, British exports of, Jan. May 6, p 15. ‘ Plumbago oils, French’s, Jan. 22 p 22. ; Shutters, Improvement in sheet iron, May 6, | Stoves, ron and, June 3, p 7. 22, p 15. Mining avd muiuera! items, Jan. 1, p 13 ; 22, p Pneumatic clocks, Mareb 18, p 5. p 7. | St. Gothaid, The prerciug of the, March 4; p 14. The Barf process for the protection of, 15; 29, p 15; Feb. 19, p15; March 18, p clocks in cities, June 3, p 24. Siemeus direct process, Notes on the, March | tunnel accident, The, May 20, p 138, Jan. 22, p 7. 13; April 1, p26; 8, p 24. transmission of time, On the, May 6, p 24. 18, p 1. tunnel, Tue, June 3, p 24. The duty on hoop, Feb. 5, p 14. Engineers, The lostitute of, Feb. 26, p 14. Polyteechuie Association, Meeting of the, Mareh furnace and the Prussian Patent Office, | St. Louis convention of the American Society The eff-ct of vibratory shocks upon, March Eogineers, The American Institute cf, Jan. 25, p 22. The, April 22, p 13. of Civil Eugineers, June 10, p 15. 4, p 19. 29, p 15. E Poor’s steel rail arguments, Mr., March 18, p 14. | Silicon from Bessemer pig, Removing, Jan. 29, The conspiracy suits mw, June 17, p 14. / The passivity of, Jan. 1, p 1. Engineers, The New York meeting of the Ponsard ‘urnace in England, The, Maren 25 p 7. Sturtevant fan, The, Feb. 12, p 1. f The position of, Aprit 22, p 14. . American Institute of, Feb. 19, p 15; 7 ; , , Silver assay, The Vo)hard, April 22, p 11. Submarine experimeuts in the Seine, May 20, ' theoretically considered, Dephosphoriza- Feb. 26, p 15. P Port Henry ores, May 20, p 15. from gold by chlorine gas, Parting, April | p 19. tion of, Feb. 19, p 7. Mississippi water, Filtering the, Feb. 19, p 22. Portland cement, The German standard for 22, p 13. Sulpbur in coal, May 13, p 15. trade and the West, The, June 10, p 14. Missouri tornado, An expert’s story of the, June 17, p 15. . in Califorvia, Parting gold and, Jan. 29, Switzerland, Our trade with, June 10, p 14. trade, Chart of the American pig, June 17, April 29, p 15. Post auger, ‘ Eclipse,” May 6, p 9. p 5. Sydney, German manufacturers at, March 18 pt. Model question, The present position of the, Pourcel on the Thomas and Gilchrist process, mines, [nvestments in gold and, April 1, | » 15. trade in 1879, Statistics of the American, April 15, p 9. Mr., May 6, p 1. p 14. Seenedia, The regulation of the river Theiss May 27, p 17; June 3, p11; 10, p7. Molding taachine for small work, A new, Jan. Peeaatane iamnendai, April 15, p 14. ores, Hofman’s process for refractory au- and the catastrophe at, Feb. 12, p 1. trade in 1879, Tue Scotch pig, Jan. 15, p14. _ 15, p Li. Pressure gauge for small pressures, A, March riterous, Jan. 8, p 15. Tachymetric process of duplicating drawings, trade in 1879, Tne American, Jan. 8, p 13; | Morrill’s saw set, May 13, p 13. ll, p1 = yield, The gold and, Jan. 8, p 29. The, May 20, p 26. May 27, p 14. ‘ Motors, Bisulphide of carbon, Feb. 5, p 15. regulating valve, New, March 1, p 9. Sliding scale in iron