Opening Pages
VOLUME XXVII. Acciden a the Red Jacket Furnace, April 7, | p 30. in France, Mine, Jan. 13, p 11. Accidents, Liability of employers for, Jan. 20, p 14. Recent railway, Feb. 3, p 14. The liability of corporations for, Jan. 13, p 14. Accuracy needed, More, May 5, p 18. Acid nickel solution, The, Feb. 3, p 20. process, The United Nickel Co. and the, March 10, p 14. nickel solution, The Pendleton, April 28, Ketten of common salt and other related crys- | taline salts in wire drawing, On the, May | 12, p 9. of springs, May 5, p 13. Adjusta dado, fiiletster plow, &c., Jan. 29, p 3. planes, Feb. 17, p 11. Advance in miving avd metallurgical art, | science and industry since 1805, The, Feb. 24, p 26. Advantages, Natural, May 26, p 15 of protection, Economie, April 21, p 15. Advertisements, Curious, Feb. 10, p 18. Africa, The northern cost of, April 7, p 7. Age of coal and iron, The, Feb. 10, p 26. Agricultural depression, Effects of British, Jan. 20, employments, March 24, p 24 Air pump, Toe Wendell, Jap. 13, p 9. The experimental determination of the weight of the, March 31, p 1. 4 Alabama, The Woodstuck furnaces, June 23, Alarm system, The Chicago police, Jan. 20, p 9. An antomatic boiler…
VOLUME XXVII. Acciden a the Red Jacket Furnace, April 7, | p 30. in France, Mine, Jan. 13, p 11. Accidents, Liability of employers for, Jan. 20, p 14. Recent railway, Feb. 3, p 14. The liability of corporations for, Jan. 13, p 14. Accuracy needed, More, May 5, p 18. Acid nickel solution, The, Feb. 3, p 20. process, The United Nickel Co. and the, March 10, p 14. nickel solution, The Pendleton, April 28, Ketten of common salt and other related crys- | taline salts in wire drawing, On the, May | 12, p 9. of springs, May 5, p 13. Adjusta dado, fiiletster plow, &c., Jan. 29, p 3. planes, Feb. 17, p 11. Advance in miving avd metallurgical art, | science and industry since 1805, The, Feb. 24, p 26. Advantages, Natural, May 26, p 15 of protection, Economie, April 21, p 15. Advertisements, Curious, Feb. 10, p 18. Africa, The northern cost of, April 7, p 7. Age of coal and iron, The, Feb. 10, p 26. Agricultural depression, Effects of British, Jan. 20, employments, March 24, p 24 Air pump, Toe Wendell, Jap. 13, p 9. The experimental determination of the weight of the, March 31, p 1. 4 Alabama, The Woodstuck furnaces, June 23, Alarm system, The Chicago police, Jan. 20, p 9. An antomatic boiler, June 23, p 7. A'cohol by ice, Distilling, May 26, p 19. Alimacanter, The, Feb. 17, p13. ™ Alleged frauds in window glass importations, June 9, p 14. infringement of the Yale Lock. patent, | June 9, p 20. Allen high speed engine, The, March 10, p 1. Alloys, Oo manganese, April 28, p 9. Alit’s straightaway vaive, May 5, p 28. Almond coupling, The, Mareb 31, p 9. Alteration to the cross-head of a Corliss en- | gine, June 16, p 7. Amalgamated Iron Association an1 arbitration, Tae, March 31, p 14. of the, June 9, p 15. America, First rolling mill in, June 2, p 1. Mr. Bessemer’s obligations to, March 10, p 5. On the manufacture of Bessemer steel and steel raiisin, May 12, p 3. Sheffield trade-marks ip, April 28, p 15. American aod English pumps, June 2, p 15. 28, P 24, angle iron, The first, Feb. 24, p 13. artisans, British and, Jan. 20, p 15. JANUARY—JUNE, 1881. DAVID WILLIAMS, PUBLISHER, 88 READE STREET. 1881. iz DEA TO VOL xXx V Iti. bare, Relative prices of English and, May 5, p 14. bloomery process, The, Feb. 10, p 1. built steamship, A new, March 17, p 16 competition in New Zealand, April 28, p 1 dewand for British iron, March 17, p if enterprise in Newfoundland, Juve 16, p 14. goods, The German trade and imitators of, Marck 3, p 21. honore at Melbourne, May 5, p 17. Institute of Mining Engineers, Transac- tions of the, Feb. 3, p 15; Feb. 17, p 15; 24, p15; March 3, p15, 17, 18; 10, p 15; | June 2, p15; 9,p 7; 16, p15; 28, pé mill machinery in England, June 9, Institute, Polytechnic Club of the, Ja p 16; Feb. 3, p 18. inventions in France, April 21, p 1. law, English ironmasters aud the, April 7 18 3 15 p. 27, p 18. machinery, A plea for improved, April 7, 1 pl. manufacturers and the German trade-mark laws, Feb. 24, p 14. plate glase, June 30, p 1. products in Russia, March 31, p 11. rail mills, Basic process in the, June 30, 14. society of Mechanical Engineers, May 5, p 15; 12, pp 14, 17; 19, p 7; 26, p 7. steamship line finances, April 7, p 1. steamsbips, English vs., Feb. 10, p 14. steel works, Protection of, in 1880, Jan. 27, pl. | Avalysis, Methods of iron and steel, April 14, 15, p 15. The practical value of chemical, Feb. 24, 14 p 14. Angle iron, The first American, Feb. 24, p 13. Aunual review of the metal market for 1880, Jan. 6, p 17. Anthracite and the Perkins high-pressure sys- tem, The steamer, Jan. 13, p 1. furnaces and Whitwell stoves, March 31, p 15. mine, Hot water in, March 24, p 13. The heating power of gas, gas coke and, Feb. 16, p 15. Anti-friction latch, Jan. 6, p 9. friction pulleys, Jan. 6, pv 11. Antiquities in iron, April 28, p 9. Apparatus, uae Bishop fire extinguishing, June 1 »P Amalgamation process, The chemical reactions Agyeee for docking steamships, April 28, p | . | Apprentices, Training schools for artisan, April 7p. Arbitration, Industrial conciliation and, March 10, p 13. jm the English iron trade, March 24, p 14. The Amalgamated Iron Association and, March 31, p 14. and foreign steel rails, Breakages of, April | Aretie quplereten, A true story of, April 28, p Armor for seacoast defense, A system of deflect- ing, April 7, p 1. | Art castings, Jun 6, p 9. castings in iron, May 5, p 15. progress in the etove trade, March 3, p 14. | Artillery, Small arms and, Feb. 24, p 1. . | Small arms ve., April 14, p 1. Artisan appren‘ices, Training schools for, April | Berlin electric railway, The, June 16, p 24. | Bottom for Bessemer steel converters, A rew Bessemer converter, The amount of manganese | May 12, p 17. , r: quired to remove the oxygen from iron | Bottoms of basic converters, The, June 2, p after it has been blown mn a, March 3, p 9. | Bower furnaces, The Bar ff and April 28 P 1 on steel making, Sir Heury, March 24, p 11.| Box’s new patent light portable quick ho itt a Chemical reactions in the, Jan. 20, | Jan. if p ll. p 16. | Boye, Mr. Theodore, April 28, p 15. process, Theory of the, Feb. 10, p 7. Sone Tools for the: Jem 20, pad. steel and steel rails in America, On the| Brands of tin plate, Private May 26,"p 24 manufacture of, May 12, p 3. June 9, p 14, : — ns enpuertens, A new bottom for, May | meeies trade, Jan, 20, p 13 2, p 17. reakages of Amer! ig “e steel in the United States, The producticn | April 28, p 24. ree Cee selhe ee | Artisans, British and American, Jan. 20, p 15. | Arts, Manganese metal in the, Feb. 10 p 9. | Ashes as a substitute for emery, May 5, p 15. | Association of Stove Manufacturers, The Na- | tional, Feb. 10, p 15. ; The railroads and the Master Car Builder’s, June 23, p 14. of, in 1880, F 7 | 3 , Feb. 17, p 1. Brickwork impervious, Making, May 19 : Am“ soe Machinery at the, | noroemer's obligations to America, Mr., March | Bridge satenah, fabadien Trias os : - . | , pd. March 17, p 26. Atomic weight of platinum, May 5, p 11. Bicycle manufacture, June 23, p 1. Pittsburgh ‘cu-pension, Jure 30, p 5. Attachment, Climax barrei tank, June 30, p 5. Birds of North America, The extinct toothed, The Blackwell’s Isiand, May 5, p 17. ' Augur, Universal Hollow, Jan. 6 7 , , Jan, 6, p 11. April 7, p 1. The Eart River 8 27, p2 | Australia’s progress, Feb. 24, p 14. ae Tira | 1. das ver Suspension, Jen. 27, p 24. | ae eae wo A. Pa 28. D7, Se apparatus, The, June .—“ moor beams o1 the East River, Feb. 24, | Avery and Merkle plow sult, The, May 12, p 1. | Bismuth, Silver in, June 30, p 15. Tue Tay, April 14, p 9. | Pee ao = we 1, - . | Blackweli’s Island bridge, The, May 5, p 17. Bridges, Steel ror, May 12, p 19. 4 wheels, June 2, p 13. Blast furnaces, British, Feb. 17, p 1. Briush agricultural depression, Effects of, Jan. Baldwin grass catcher The, Jan 6, p 1 i J i , r, e 2. furnace cinder, Utilizing, May 5, p 11. 20, p 7. ane x ale Comments upon the, May | furnaces, English, Jan. 27 p 15. ard arcane artisans, Jan, 20, p 15 _ ao ee See J furnaces in the United States April 1, 1881, and inter-colonisl cust yn, A, . | wae le grades of tin plate, The, May Condition of the, April 21, p U4. a oe Ros . furnaces of the United States, Jan. 1, 1881, | blast furnaces, Feb, 17, p 1 Rentals: feat Leute, M irch 10, p 14. é Condition of the, Jan. 13, p 14. colonial tarifl, Mareb 31D 16, no Temes 1€ K oman eye, Feb. 3, p 13. gas producers, Using, May 12, p 1. Columbia, Proposed iron works in, April | Be d fenee wire convention, I'he Des Moines, | Blasting power, Water as a, March 3, p 7. 7, p17. ro Pa wale, March 24, pg nee ivory for cutlery handles, May 26, p | = -o 24, =. a 0 » a » PY. ‘ | expoits snd imports of me ife , Wire eontroversy in Iowa,JThe, June 9, p20. | Blindness, Strange instance of color, April 14, Juve 30, p i ee ee wire fencing, Jan. 13, p 20, 2 i 10g, 3, ‘ p 24. impertinence, Some characteristic are ae —- 6, p 3. i ; Block, The Lawrence cargo, Jan. 20, p 1. J, p 14. : ner, Mane ower furnaces, The, Apri) 28, p 1. | Bloomary process, The American, Feb. 10, p 1. India, The Suez Canal and the trade of Barrel tank attachment, Climax, June 30, p 5 J 30, p5. | Blow pipe, Use of the, May 5, p 15. ares coe renee Staffordshire, ang 12) p 15. | Blue bn ee drawings Ten 13 » 3. © € properties of, June 2,pl. | ' el, The Eng ean Aye atl ag ttmoy ly we Board < rade and Steel, The English, April 7, | linings, A material for, Feb. 3, p 1. linings used in the conversion of cast-iron into cast-steel, Jan. 13, p 15. April 7, p 14. investments abroad, April 7, p 11. iron, American demand for, March 17, p11 p 3. i Broadway, The electric light on, May 12) p 24. of Trade, Ninth annual report of the New- | Bronzes, The strongest of the, March 24 Pp 13. ss ey 12, p ae Be Na | Srepenr coles, Taxing, June 23, p 15, : F _ 2 of Trade returns for 1880, The English, Jan. | Builders, The mound, Feb. 10, p 2 peesses ot MonWucos, Tbe, Feb. 10,p% | 27, p 14. : ’ | Building, The emonaan Arh 14, p13 Senet in en orale Fog March 3, p28. | Boiler alarm, An automatic, June 23, p 7. | buildings, Elevators for, March 10, pl. Feb. 3, p = pe, , Progress of the, | one engine, Improved marine, March 24, p| posting, Death of Charles T., Jan. 13, p 15 » Pp x6, / | 24. | Burner, The Siemers gas, May 5, p 26, ; process in the American rail mills, June 30, An explosiou of a rolling mill, Mar 10, p 3. Burvishing and ductilizing steel, Apri 14, p3 p 14. experiments in Pittsb 5 ivi } mn — | urgh, Some recent,’ Business activity in Chester, Pa. 2 a Pe the United States, The, April une 23, p 15. documents in the mails, Jon, isp 20 7 ’ . explosions in iron works, Jan. 20, p 14. methods, Reckless, March 17, p =. process, Notes on the, June 9, p 15. explosions 10 1880, Feb. 10, p 11 process, Sidney Gilchrist Thomas and the, cnblesiona, Kitchen, Feb. it, p ll. a o Th P s space, Steamboat, March 17, p 11. process, fhe theory of the, June 2, p 14. The Trowbridge coil, March z p 28. | rocess, W | P om March 24°5 ple Jow in manganese by Boilers, A standard pressure for, March 31, p 5. | Beginnings of the telephone, Feb. 3, p 26 Behavior of metals in solidifying, ne 12, 1 Belgian tcwlog system on th } ’ Tee ag ‘ 7 n the Erie Canal, ree, | | Belting, Gandy 8 Patent Cotton, Jan. 13, p 24. | i names, The use of, June 9, p 17, of the Cunard Steamehip Uo., May 19, p 15. Byrne & Co., Failure of Josepb, June 23° Pp 17. Cable, The new Mexicen, Jan. 20, rp? F traction, Enalers, Marcb 31, p 15 Effect of sewage water on iron, May 5, p 1. | California, The debris of bydraulic mining ip Holding power tubes in steam, June 23, p 1. | Feb. 10, p 17. om Iron rust in, Jan. 6, p 15. | Calladay scroll saw, The, Jan. 6, p 1. Space around steamboat, April 7, p 22. | Calumet and Hecla mine, Leavitt's new Bolckow, Vaughan & Co. ys. Edgar Thomson, | engine for the, June 16, p 15. June 23, p 17. | Canada, Exodus of population from, May 19, | Bolt cutter and nut tapper, New power, we pl. 30, p 7. Iron production in, March 17, p 9. ——————————————————— Belts, Formula for the ho oe 2 D2. rse- power of leather, i ~ = = > aes ee e a >, ~ a —~ 4 om, 2 ———— = See 2 a ~ Canada Pacific contract, The, Jan. 20, p 24. Canadian canals, the, April 14, p 5. | duties on iron bridge material, March 17, | p 26. emigration to the United States, April 14, » 24. Cans], Steam on the Erie, March 31, p 1. scheme, Is the Lesseps, a filibustering | operation? June 23, p 15. The Erie, Feb. 3, p 1. tolls, Effect of, May 12, Pp 15. Treaty rights in the Welland, May 12, p 15. Canals, Steam on the, Feb. 8, p 26. The Canadian, April 14, p 5. Cannon upon the Rodman plan, Process of manufacturing cast-iron, June 30, p 7. Cape Henry lighthouse, The new, June 30, p 1. Capital increased, Idle working, May 19, p 15. Car Builders’ Association, The railroads and the Master, June 23, p 14. wheels, Balancing of, June 2, p 138. Carbons, Ordinary and plated, March 31, p 1. Cargo block, The Lawrence, Jan. 20, p 1. Carnegie Bros. & Co., March 24, p 24. Carriage trade, Technical education and the, Feb. 3, p 14. Cartridge patents and the government, March 8, p 21. Caspersson converter ladle, The, June 2, p 1. Casting a large cylinder, May 19, p 1. rails, April 21, p 26. Castings, Art, Jan. 6, p 9. Cast-iron cannon upon the Rodman plar, Pro- cess of manufacturing, June 30, p 7. iron hot blast stoves, Fire-brick vs., May 19, p 15. iron, Malleable, Feb. 3, p 1. iron, The chilling properties of, Feb. 10, 24. won vs. fire brick stoves, March 17, p 15. Causes of deterioration in tin plates, June 9, > 15. — and glues, April 7, p 7. Censure by coroners’ juries, Loose, June 22, 14. Cie Bureau, The requirements of the, Jan. 13, p 13. | | Continuous rod mill of the Trenton iron Co, a Construction in 1880, Railroad, Feb. 10, p 11. \ Employees, Insurance scheme for Gerinan, | Con: ular overcharges on tin- plate invoices, May 26, p 15; Juve 19, p 14. suggestions to exporters, Feb. 10, p 11. Consuls of the United States, Reports from the, No. 3, Feb. 3, p 15. The, May 26, p 1. | Contract, The Canada Pacific, Jan. 20, p 24. Contracts, Broken, March 24, p 20. Coke, June 9, p 1. for firearms, March 38, p 5. Contractors, Directors of public companies as, April 21, p 14. Convention, The Stove, Feb. 24, p 14. Conversion of cast iron into cast steel, Basic linings used in the, Jan, 13, p 15. Converter ladie, The Caspersson, June 5, p 1. Converters, A new bottom for Bessemer steel, Mey 12, p17. Cook stove oveus, Gauze doors for, Jan. 20, p 24 Co operative power, Secretary Windom on, Marcl: 10, p 7. Copper, Jan. 6, p 17. Cord, The Climax sash, June 30, p 17. Corliss engine, Alteration to the cross-head of a, June 16, p 7. Cornice machine litigation, Fischer ys. Hayes, Feb. 17, p 3. machine litigation, March 17, p 18. machine litigation, The, March 31, p 15. Coroners’ juries, Loose censure, June 23, p 14, Corporate power in New Jersey, April 7, p 15. Corporations in New York, Tax«tion of, March 31, p 18. The liability of, for accidents, Jan. 13, p 14 Corrosion of irun und steel, April 14, p 1. Cotton belting, Gandy’s patent, Jan. 13, p 24. Exposition, Machinery at the Atlanta, April 14, p 24. manufactures of the country, The, Jan. 20, € Couliine, The Almond, March 31, p 9. Course of trade, The, April 17, p 14. Criticism of steel rail manufacture, Technical, April 14, p 15. Cross-head of a Corliss engine, Alteration to the, June 16, p 7. Mr. J. B. Sargent and the, April 28, p 15. Centennial building, The, April 14, p 13. Centenary, The Stepbenson, June 16, p 14. Challenge pipe grip, Feb. 10, p 11. Champion whiffletree hook, The, May 5, p 20. Channel irons, Tank pletes and, June 2, p 26. tunnel, The, June 23, p 24. Characteristic British impertinence, March 24, p 14. Charcoal and coke plates, Juve 2, p 19. Chemical analyzes, A system of instruction in quantitative, April 7, p 15. analyses, The practical value of, Feb. 24, 14. reactions in the Bessemer process, Jan. 20, 16. reactions of the amalgamation process, The, June 9, p 15. specialists, March 17, p 15. Chemist, The Institute and the, March 3, p 14; 10, p 15. Chemists and chemists, March 24, p 15; March Some, ’ Pp we Tron and steel works, April 14, p 14. Ironmasters and, April 14, p 15. Chester, Pa., Business activity in, April 21, 13 p 13. Chicago, Hardware trade of, in 1880, Jan. 2 p 3. Molders 10, April 7, p 18. industries, Notes on some prominent, Feb. 3, p 28. police alarm system, The, Jan. 20, p 9. Chilling properties of cast iron, The, Feb. 19, O4 China and Japon, Mails to, April 7, p 24 Our trade with, Jan. 20, p 7. Chinese industries, May 5, p 9. Chisbolm, Henry, May 19, p 24. Cincinnati Southern road, Steel rails on the, June 9, p 1. The ergine trials at the first Millers’ Ivter- national Exhibition at, April 14, p 7. Cinder, Utilizing blast furnace, May 5, p 11. Circular, Comments upon the Baltimore, May 19, p 24. sawing machine, Improved, Feb. 3, p 7. Circuits, Electric tides in telegrapb, March 3, City oa town debts, Feb. 17, p 11. Claims, Spanish-American, April 28, p 14. Cleveland Rolling Mill, The manufacture of solid steel at the, March 10, p 1. Climax barrel tank attachment, June 30, p 5. sash cord, The, June 30, p 17. Clutch, Oesterlein’s friction, Jan. 13, p 11. Coal and iron ore in Utab, Feb. 8, p 5. and fron syndicate, The Missouri, Jane 23, 24. ont iron, The age of, Feb. 10, p 26. Experiments in pulverized, Feb. 3, p 28. fields to New England, A railroad from the, Jan. 20, p 7. pit, Deepest, in Great Britain, June 23, p 1. washer, The Stutz. May 31, p 1. washing plant at the Rochester mine, The Stutz, Feb. 3, p 1. with wire rope, Underground haulage of, March 24, p 1. Coast of Afnca, The northern, April 7, p 7. Coil boiler, The Trowbridge, March 3, p 28. Coke contracts, June 9, p 1. plates, Charcoal and, June 2, p 19. Colonial countries, Domestic export of, March 24, p 14. tariff, British, March 31, p 16. Color blindness, Strange imstavce of, April 14, » 24. of waite lead, The, Jan. 6, p 1. relations of metals, The, Jan. 20, p 1. test, The Eggerts, April 7, p 5. Coiumbia, Proposed iron works in British, April 7, p 17. Columns secure, Making iron, June 2, p 28 Combined plow and harrow, The Sackett, April 21, p 1. Combustion, Spontaneous, Jan. 20, p 15. Comments upon the Baltimore circular, May 19, p 24. Commerce, The Mississippi River as a highway for, April 7, p 17. Commercial effects of the Peruvian defeat, Feb. 3, p 26. prosperity, The wheat crop and, Feb. 3, p 14. relations, The Mexican Minister on, May 26, p 17. travelers, Local taxation of, May 12, p 15. Commission, World’s Fair, March 17, p 24. Commissioners, The Exhibition, Jan. 13, p 20. Companies, Minority rights in stock, April 28, » 3. Compsncntion for injuries caused to workmen, May 5, p 14. Competition 4 New Zealand, American, April 28, p 1. in the screw trade, German, April 28, p 5. ef mild steel with high-grade irons, The, April 14, p 14. Compound locomotives, Marcb 3, p 1. portable engines, Jan. 6, p 1. Compressed air, Locomotion by, March 10, p 7. Conciliation and arbitration, ludustrial, March 10, p 13. Condition of the blast furnaces of the United States, January 1, 1881, Jan. 13, p 14. of the blast turnaces of the United States, April J, 1881, April 21, p 14, Congress and the tariff, March 3, p 14. Consolidation, The telegraph, Feb. 24, p 15, Conspiracy as stated by a Pennsylvania judge, The Jaw of, March 10, p 11. Individual jiberty and, Jan. 6, p 14. Consolidation of the telegraph and ocean cable companies, Jan. 20, p 14. The telegraph, Feb. 3, p 15. Crown spring hinge, The, April 28, p 13 ‘*Cry of Tin,’’ June 2, p 138. Crystalline salts in wire drawing, On the action of common salt and other related, May 12, p 9. Cuban customs regulations, New, April 7, p 24. Cunard Steamship Co., Business of the, May 19, p 15. Cupola flux, A new, Feb. 17, p 11. Curious advertisements, Feb. 10, p 18. Custom House, Business at the New York, Mareh 3, p 28. Customs regulations, New Cuban, April 7, p24 union, A British and intercolonial, March 31, p 15. Cutlery ‘handles, Bleaching ivory for, May 26, p 19. Cutter, The Keiser meat, Feb. 3, p 20. Cuttler & Co., Failure of E. P., June 23, p 1. Cylinder, Casting a large, March 19, p 1. Dado, filletster plow, &c., Adjustable, Jan. 27, 3 p 3. Dangerous toys, Jan. 13, p 3. Davy safety lamp, An improvement of the, May 5, p11. Debris of hydraulic mining in California, The, Feb. 10, p 17. Debts, City and town, Feb. 17, p 11. Decision, An important, June 9, p 1. An importent trade mark, March 31, p 11. of the Supreme Court, Muay 12, p 9. Decorated tin plates, Feb. 3, p 26; 24, p 24. Deepest cval-pit in Great Britain, The, June 23, pl. Defections in thermometers and bydrometers, Jan. 6, p1. Defense, A system of deflecting armor for, April 7, p 1. Deflecting armor for seacoast defense, A sys- tem of, April 7, p 1. Demand for rails and the supply, The, Jao. 6, p 14. Dephosphorizing process, The, June 9, p 15. Des Moines barbed fence wire convention, The, April 14, p 17. Desulphurizivg pig iron, March 24, p 15. Detecting gas leaks, Jan. 20, p 1. Detention of freights, Liability of railroads for, March 24, p 14. Deterioration in tin plates, Causes of, June 9, 15 Determination of mangatese in steel, The, April 7, p 15. Development of the DuPuy direct process, The recent, June 23, p 11. Direct process, A new, May 5, p 1. Directors of public companics as contractors, April 21, p 14 Dissatistied stockholder of the Pheenix Iron Co., A, June 23, p 26. Distilling alcohol by ice, May 26, p 19. Division and measurement of water power, June 23, p 9. Bisse Crees Co., Failure of the Jos., Jan. 6, p 15. Docking steamships, Appliances for, April 28, pd. Documents in the mails, Business, Jan. 13, p 20 Domestic export, Thirty years of, April 21, p 15 fuel economy, May 5, p 26. Door clamp, safeguard aud ventilator combined, Feb. 17, p 9. hanger, Improved, Feb. 3, p 7. spring, Engine house, Jan. 20, p 9. Draining the everglades, Feb. 24, p 13, Drawings, Blue process, Jan. 3, p 3. Drills, The right to make grain, June 2, p 17. Ductilizing steel, Burnishing and, April 14, p 3. Dunning’s steel horseshoe, March 10, p 20 DuPuy direct process, The recent development of the, June 23, p 11. Dynamo machine and rolling stock, The, April 28, p 17. Eads’ sbip railway and Captain Phelps, Cap- tain, April 21, p 13. Earnings for 1880, The Penusylvania Railroad’s, Feb. 3, p 26. East mayer mesdae, the floor beams of the, Feb. 24, p 138. River Suspension Bridge, The, Jan. 27, p 24 Economic advantages of protection, April 21, p 15. Economy, Domestic fuel, May 5, p 26 in Japap, Political and icdustrial, March 24, p 16. Edgar Toomson, Bolckow, Vaughan & Co. ys., June 23, p 17. Thomson estate, The, June 2, p 22. Edison recordiug eusge, The, May 26, p 19, removes to New York, March 3, p 15. Effect -* sewage water on iron boilers, May 5, pl. Eggertz color test, The, April 7, p 5. Egyptian obelisk, The, Jan. 27, p 15. Eight-bour law in Pennsylvania, The, May 19, p 138. Elasticity of wire, On the, March 24, p 13. Electric cables, Subterranean, March 24, » 24. light on Broadway, The, May 12, p 24. ligut, The Swan, Jan. 20, p I. railway, The Berlin, June, 16 p 24. tides in telegregh circuite, March 38, p 1. Electrical shadows, Feb. 24, p 24. Electricity as a mechanical power, June 16, p 15. Storing up, June 16, p 24. E'ectro-metaltiurgy, April 28, p 11, Elevated railroads to carry freight, The, June 9, p 2. E evators for buildings, March 10, p 1. Elimination of sulphur from pig, Tue, June 2, | Foundry purposes, Improved molcing machines pl. Emigration to the United States, Canadian, April! 14, p 24. ; Emery, Ashes as a eubstitute for, May 5, p | Fowler, Crampton & Co., Failure of, Jan. 6, Employers’ liability, March 17, p 26. HEHE IRON AGE. France, Hours of labor in, April 28, p 15. Iron production of, in 1880, May 26, p 20. Mild steel in, May 19, p3 Mine aecidents in, Jan. 13, p 11. Produetion of iron and steel in, in 1880, March 24, p 15. Frauds in window-glass importation, Alleged, June 9. p 14. Free Trade Union, English National, Jan. 27, > 14. Freight, Do excessive rates of, make a route impracticable? June 16, p 14. rates, English railroad, June 2, p 14. The elevated railroads to carry, June 9, p 24. French tariff, The, June 16, p 15. Friction clutch, Oesterlein’s. Jan. 13, p 11, Fuel economy, Domestic, May 5, p 26, Petroleum as, Feb. 3, p 15. Funding bill and the national banks, The, March 38, p 13. Furnace, Accident at the Red Jacket, April 7, 50. dike scale, The Riehle, June 23, p 1. patent, The Siemens regenerative, Feb, 17, p 14. The Martel, Feb, 24, p 1. The Woodstock, Feb. 10, p 11. cinder, Utilizating blast, May 5, p 11. Furnaces, English blast, Jan. 27, p 15. for melting meta's, Improved portable, April 14, p 7. of the United States, Condition of the blast, April 1, 1881, April 21, p 14. The Barff and Bower, April 28, p 1. The Woodstock (Ala.), June 23, p 13. Future of tin production, May 12, p 14. Garden sprinkler, The Perfection lawn and, April 21, p 7. Garner process, The, June 2, p 3. Gas, A fluxing gas producer for making heat- ing, Mareh 10, p 1. burner, The Siemens regenerative, March 254, naraue. The Siemens, May 5, p 26. Explosions of water, March 10, p 1. gas coke and anthracite, The heating power of, Feb. 10, p 15. Heating, March 24, p 15. leaks, Detecting, Jan. 27, p 1. producer for making heating gas, A flux- ing, March 10, p 1. preducers, Swedish, June 2, p 19. producers, Using blast, May 12, p 1. Starting locomotive fires with, Feb. 17, June 30, p 15, liability act, The, Feb. 10, p 14. Liability of, for accidents, Jan 20, p14. Employments, agricultural, March 24, p 24. Rndiess bed double surfacer, The Woods, June 30, p 1. cable traction, March 31, p 15. Engine, Alteration to the crosshead of a Corliss, June 16, p 7. for the Calumet and Hecla mine, Leavitt's new, Juve 16, p 15. House door spring, Jan. 20, p 9. Improved marine boiler and, March 24, p 24. The Tegnand+r rotary, March 3, p 1. Trials at the first Miller’s International ex- bibition at Cincinnati, The, April 14, p 7. Engiveering, Field, April 7, p 15. Engineers, American Institute of Mining, June 2, p 15. American Society of Mechanical, March 5, p 15; May 12, pp 14 and 17; May 19, p, 7; May 26, p 7. Club of Philadelphia, The, April 7, p 17. ‘Lhe excursions of the Society of Mechan1- eal, June 2, p 17. The meeting of the Mechanical, May 26, p 1. Engines again, The Pittsburgh, May 12, p 15. Compound portable, Jan 6, p 1. Reversing rolling mill, Feb. 3 p 9. The Pittsburgh, May 12, p 9. England, American mill machinery in, June 9, p 15. Machine gun trials in, March 31, p 5. The wire gauge in, Feb. 3, p 15. English and American burs, Relative prices of, May 5, p 14. blast furnaces, Jan. 27, p 15. Board of Trade and steei, The, April 7, p 3. Board of Tradereturnsfor 1880, The, Jan. 27, p 14. ironmasters and the Aroerican law, April 7, p 18. iron trade, Arbitration in the, March 24, p National Free Trade Union, Jan. 27, p 14. pumps, Americar and, June 2, p 15. railroad freight rates, June 2, p 14. trade unions, Feb. 3, p 17. versus American steamships, Feb. 10, p14. view of iron making in the United States, An, Feb. 10, p 2. workshop and trade report nomenclature, April 21, p 14. p 13. a - Newfoundland, American, June | Gaseous mixtures, The liquefaction of, May 26, i, p 14, p19. Gases in iron and steel, March 24, p 15. in steel, Dr. Mulier’s researches on the, March 10, p 1. Gates of the Loggia of St. Mark’s, Venice, Feb. 17, p 1. Gaudy’s patent cotton belting, Jan. 13, p 24. Gauge, The Edison recording, May 26, p 19. Gauze doors for cook-stove ovens, Jan. 20, p 24. Gelatine, Explosive, Feb. 10, p 24. Generating steam, A peculiar method of, March Erie Canal, Steam on the, March 31, p 1. Canal, The, Feb. 3, p 1. Canal, The Belgian towing system on the, Feb. 10, p 17. Estate, The Edgar Thomson, June 2, p 22. Estimation of phosphorous in steel, May 12, p 13. Ethics, An elementary lesson in, March 24, p 14. Everglades, Draining the, Feb. 24, p 13. Excursions of the Society of Mechanical En- gineers, The, Jane 2, p 17. Exhibition commissioners, The, Jan. 13, p 20. The Matanzas, Jan. 27, p 20. Exodus of population from Conate, May 19, P 1. Expansions of fire damp in collieries, Feb. 3, p 15. Experiments in Pittsburgh, Scme recent boiler, .eL Generalists, Specialists and, April 7, p 15. Genesis of iron ores, The, Jan. 20, p 7. Geologist of New Jersey, Annual report of the State, for 1880, March 24, p 15. German competition in the screw trade, April June 23, p 15, 28, p 5. with pulverized coal, Feb. 3, p 28. employees, Insurance scheme for, June 30, p 15. Exploraticn, A true story of Arctic, April 28, p 17 farm pump, March 3, p 7. rail tests, April 14, p 1. scientists on water gas, May 19, p 17. trade and imitators of American goods, The, March 3, p 21. trade-mark laws, American manufacturers and the, Feb. 24, p 14. Germany, The manufacture of wire in West- pbalia, June 30, p 1. Glass, American plate, June 50, p 1. importation, Alleged frauds in window, June 9, p 14. industry of the United States, The, May 5, p 14; 5, p19. and steel, New melting pots for, Jan. 27, p 9 trade, The pressed, April 7, p 22. works, Wages in window, June 2, p 15. Glues, Cements and, April 7, p 7. Gold and silver mining, The outlook for, April 14, p 14. Gonqunens, Cartridge patents and the, March , p 28. santa al iron and steel, June 23, p 15. Grades of tin plates, The Baltimore packers and, May 19, p 14. Grain drills, The right to make, June 2, p 17. Grant and the World’s Fair, Gen., March 3, pl4. Grass catcher, The Baldwin, Jan. 6, p 1. Grate, Williams’ patent rocking block, May 5, Explosion of a patched boiler, April 14, p 26. of a rolling mill boiler, An, March 10, p 3. Explosions, Kitchen boiler, Feb. 17, p 11. in iron works, Boiler, Jan. 20, p 14. of water gas, March 10, p 1. in 1880, Boiler, Feb. 10. p 11. Explosive gelatine, Feb. 10, p 24. Export, Thirty years of domestic, April 21, p15. of colonial countries, Domestic, March 24, p 14. of metals, Import and, April 14, p 19. British, Feb. 24, p 15. Exports and imports of metalliferous ores, British, June 30, p 17. Exportation of lake copper, The, May 5, p 14. Exporters, Consular suggestions to, Feb. 10, p il Exposition, Machinery at the Atlantae@otton, April 14, p 24. Extinct toothed birds of North America, The, April 7, p 1. Facts about iron? What are the, May 26, p 14. Failure of E. P. Cutter & Co., June 23, p 1. of Fowler, Crampton & Co., Jan. 6, p 18. of Jos, Byrne & Co., June 23, p 11. of the Jos. Dixon Crucible Co., Jan. 6, p 1. Fai!ures for the year 1880, Jan. 20, p 15. Fair Commissiov, Wor!ld’s, April 28, p 24. Farm pump, German, March 3, p 7. Far West and the moon, The, May 12, p 17. Fast driving in steel-rail mills, May 19, p 14. melting in the cupola, May 26, p 15. Fencing, Barbed wire, Jan. 13, p 20. Steel wire network, June 2, p 13. Ferromanganese in Russia, Manufaciure of, June 39, p 15. Field engmeering, April 7, p 15. Fiji Islands, The, Feb, 24, p 26. Filibustering operation? Is the Lesseps canal echeme a, June 23, p 15. Filletster plow, dado, &c., Adjustable, Jan. 27, 3 11. Great Britain, Deepest coal pit in, June 23, p 1. Britain, Internal taxa*ion in, Jan. 20, p 7. Britain, Iron and Steel Institute of, May 19, p 17; 26, p19; June 2, p9; 9, p3. Eastern, The, Feb. 3, p 9. Greece, Our trade with, Jan. 27, p 14. Griffiths, Mr. Samuel, June 16, p 15. Growth of telegraphy, March 3, p 15. Gun trials in England, Machine, March 31, p 5. Handbook for steam engineers, Feb. 8, p 15. Handles, Bleaching ivory for cutlery, May 26, Merdvess Board of Trade and the navigation lawe, The, Jan. 13, p 13. novelties, Some recent, March 31, p 18, trade of Chicago in 188), Jan. 27, p 3. Harrow, The Sackett combined plow and, Apri) 21, p 1. Hayes, Fischer vs., March 31, p 13. E Heating by overhead pipes, Feb. 3, p 17; March 3, p 5. Filtering water, Iron sponge for, May 5, p 11. Firearms, Coutracts for, March 3, p 5. Fire-box gor lignite, The Wootten, Feb. 10, p 20. brick stoves, Cust iron vs., March 17, p 15. brick vs. cast-iron hot-b!ast stoves, May 19, p 15. damp in collieries, Explosions of, Feb. 3, p 15. f extinguishing apparatus, The Bishop, June gas, March 24, p 15. ‘ 2, pill power of gas, gas coke and anthracite, The, Feb. 10, p 15. First ro}ling mill in America, June 2, p 1. Fischer vs. Hayes, March 31, p 13. vs. Hayes cornice machine htigation, Feb. 17, p 3. Fitch, Mr. Charles P., April 28, p 15. Flames, Curious phenomena of, June 2, p 13. Flaw in a forging, How to find a, Jan. 20, » 138. Floor omnes of the East River. Bridge, The, Feb. 24, p 13. Flowers, Pbhosphorescent, Jan. 20, p 1. Fluorspar in the basic process, March 3, p 28. Finx, x pew cupola, Feb. 17, p 11. Fluxing gas producer for meking heating gas, A, March 10, p 1. Flying switch before a jury, A, March 24, p 24. Foot and power presses, March 10, p 5. Foreign exchanges, Pork and, Marck 24, p 14. steel rails, Breakage of American and, April 28, p 24. trade, America’s, and the 1883 exhibition, Feb. 31, p 28. trade movements in New York, The, April 21, p 5. Forge, A novel, May 5, p 1. Forging, How to find a flaw in a, Jan. 20, p 13. Formula for the horse power of leather belts, June 2, p 26. Fossils in meteorites, Feb. 10, p 24. Fousding, Papers on practical, Jan. 13, p 7; Feb. 38, p 1; 10, p18; Maren 3, p9; 10, p 24; 31, p 3; April 7, p 9; 14, p 26; May 5, p 3; 12, p 26; 19,p3; 26, p 17; June 2,p3; 9, p7; 23, p 7. Tbe new move ip, May 19, p #4. Heligate, The works at, March 24, p 24. Herring, Silas C., June 30, p 15. High-pressure system, The Perkins and the steamer Anthracite, Jan. 13, p 1. speed engine, The Allen, March 10, 1, Hinge, The crown spring, April 28, p 13, History of tio, Feb. 3, p 15. Hocking Valley, The mineral resources of the, March 24, p 15. Hoist, Bux’s new patent light portable quick, Jan. 138, p 11. Holding power of tubes in steam boilers, June on ~ » pi. Holloway process, A modification of the, March Honors at Melbourne, American, May 5, p 17. Hock, The champion whiffletree, May 5, p 20. Hoop mills, An improvement in, June 16, p 13. Horse-power of leather belts, Formula for the, June 2, p 26. Horseshoe, Dunging’s steel, March 10, p 20, Hose pipe nozzles, Jan. 6, p 26. Settee stoves, March 31, p 15; April 14, 15. bidet stoves at the Nesbauvock Iron Works, Whitwell, Feb. 10, p 15. 19, p 15. water In anthracite mines, March 24, p 13, Hours of labor in France, April 28, p 15. Howe Shear, The, Jan. 13, p 9. Hudson River Tunnel, The, Feb. 3, p 7. Hydraulic mining 10 California, The debris of, Feb. 10, p 17. pumping motor, Jan. 20, p 1. Hydrogen from the pickling vats of wire mills, The utilization of, May 5, p 9. Hydrometers, Defections in thermometers and, Jan. 6, p 1. for, June 2, p 7. p 15. France, American inventions in, April 21, p 1. blast s*oves, Fire-brick vs, cast fron, May Ice, Distilling aleohol by, May 26, p 19. Hot, Jan. 20, p 1. Idle working capital increased, May 19, p 15. Imitators of American goods, The German trade and, March 8, p 21. Immigration, continued flow of, Feb. 10, p 23. for Mareh, April 21, p1. Restricted, Jan. 13, p 15. Impertinence, Some characteristic March 24, p 14. Import and export of metals, April 14, p 19. Important decision, An, June 9, p 1. Importation, Alleged frauds in window glass, June 9, p 14, Importations by way of New Orleane, Iron, June 23, p 26. Imports of metaliferous ores, British exports and, June 30, p 17. of Philadelphia fcr 1880, Feb. 24, p 13. Impervious, Making brick work, May 19, p 13 mews ingenuity, Some instances of, May 9, p 3. Improved portable furnaces for melting metals, April 14, p 7. circular sawing machine, Feb. 3, p 7. door hanger, Feb. 3, p 7. mo'ding machibery for foundry purposes, June 2, p 7. steam trap, Nason Mfg. Co.’s. Jan. 13, p5 Improvement in hoop mulls, An, June 16, p 13. in mop pails, Feb. 3, p 26. of the Davy safety lamp, An, May 5, p 11. Improvements, Northwestern, June 9, p 14. in three-high rolls, Jan. 27, p 7. Inaugural, The, March 10, p 14. India ener under water, Preservation of, May 26, p 26, The Suez Canal and the trade of British, April 7, p 14. Indictments, The Seawanhaka, April 14, p 14. Individual liberty aud conspiracy, Jan. 6, p 14. Industrial conciliation and arbitration, March 10, p 13. items, Jan. 6, p 11; 13, p 22; 20, p 9; 27, 11; Feb. 3, p 18; 10, p24: i, - 16, 19; 24, pp 16, 19, 20; March 3, pp 18, 21; 10, pp 24, 26; 17, p 24; 24, p 18; 31, p 24; April 7, p 28; 14, p 19; 21, p 11; 28, p 17; May 5, p19; 12, p 24; 19, p 24; 26, p a oe 2, p26; 9, p11; 16, p 9; 23, p24; 30, p 11. Industries, Chinese, May 5, p 9. Notes on some prominent Chicago, Feb. 3, Pp 25. of Reading, Manufacturing, June 30, p 1, of the United States, The iron and steel, April 21, p 15. Industry of the United States, The glass, May 5, p 19. _ _ of the United States, Giass, May 5, p 14. influx of population, April 7, p 14. Infringement of the Yale lock patent, Alleged, Juaue 9, p 20, Eaqgpeuts, Pome instances of impromptu, May » D o- Injuries caused to workmen, Compensstion for, May 5, p 14. Inspection, Steamboat, Juve 2, p 14. —— — chemist, The, March 8, p 14; > P tv. of Bostor, The Mechanic’s, April 21, p 9 of Great Britain, The Iron and Steel, May 19, p 17; 26, p 19; June 2, p 9; 9, p3. of Mining Engineers, American, June 2, Pp 15; 9, p17; 16, p 15; 23, p3. Iron and Steel, April 14, p i, munenose eotes for German employees, June »P to. Internal taxation in Great Britain, Jan. 20, p 7. International telegraph communication, The outlook for, Jan. 27, p 13. Intimidation, Union, May 12, p 15. Inventions in France, American, Apri! 21, pl. Investments abroad, British, April 7, p 11. Iuvoices, Consular overcharges on tin plate, June 9, p 14. Iowa, = barbed wire controversy in, June 9, British, p19. Iridium, Working and molding, May 26, p 19. Iron, om demand for British, March 17, p lL. and on analyses, Methods of, April 14, p io. and steel, Corrosion of, April 14, p 1. and steel, Gases in, March 24, p 15. and om Government tests of, June 23, p 15. and stecl in France, Production of, in 1880, March 24, p 15. and steel in Russia, Feb. 17, p 9. and steel industry of the United States, The, April 21, p 15. ard Steel Institute, April 14, p 19, and Steel Institute of Great Britain, May 19, p17; 26, p19; June 2, p 9; 9, p 3. and steel, Magnetism of, Marca 17, p 15. ond steei works chemists, April 14, p 14. and steel, Yield of Prussian mines snd production of, in 1879, June 16, p 14, and steels, Method for the estimation of manganese in spiegels, March 3, p 1. Antiquities in, April 28, p 9, Art castings in, May 5, p 15. and Steel Institute, Journal of the, for 1880, Jan. 27, p 15. bridge material, Canadian duties on, March 17, p 26. center of the United States, Pittsburgh the, April 28, p 15. clad, A costly, March 8, p 26. columns secure, Making, Jane 2, p 28. How the pig-bed affects the quality of, Feb. 17, p 7. inportettees by way of New Orleans, June 23, p 26. in Ohio, Jan. 20, p 3. interests of St. Louis, The, Feb. 17, p 26. making in the United States, An English view of, Feb. 10, p 9. masters and chemists, April 14, p 15. masters and the American law, Englisb, April 7, p 18. ore and coa) in Utah, Feb. 3, p 5. ores of tae James River Valley, Va., March 3, p11; 10, p 9. om of ewenemn County, N. Y., Toe, June ; ; ores, The genesis of, Jan. 20, p 7. production in Canada, March 17, p 9. production of France in 1880, May 26, p 20. selena of Central New York, The, May 12, rust in boilers, Jan. 6, p15. shipbuilding, April 21, p 7. sponge for filtering water, May 5, p 11. qatems, The Missouri coal and, June 23, The age of coal and, Feb. 10, p 26. The competition of mild steel with high grade, April 14, p 14. The outlook for, April 28, p 14. The position of, May 19, p 14. trade, Arbitration in the English, March 24, p 14. trade for 1880, Review of the Western, Jan. 13, p 11, Vessels on the Lakes, Feb. 10, p 18. What are the facts about, Mav 26, p 14, works, Boiler explosions in, Jap. 20, p 14. works in British Columbia, Proposed, April 7, p 17. works in Japan, Feb. 17, p 13. works, Steam boilers in, March 31, p 7. works, The plant and arrangement of, March 10, p 13. works, The Shelby, June 23, p 17. iothenes of Panama, icvecciants over the, May ” 7. ‘ Ivory for cutlery handles, Bleaching, May 26, p 19, Jamaica reviving, June 9, p 1. James River Valley, Va., Iron ores of the, March 8, p 11; March, 10, p 9. « Mec Mee Mel Me! Mer Mer Mets Meta Meta Meta! - HE IRON AGE. ——— omen Japan, lron works in, Feb. 17, p 13. Mails to China and, April 7, p 24. | Political and indusirial economy,in, March 24, p 15. Jenkins puneb, The, March 31, p 11. | Joilet Iron and Steel Co., The, June 23, p 9. Journal of the Iron and Steel Institute for 1880, Jan. 27, p 15. Jury, A flying switch before a, March 24, p 24. Disagrees, The Secawavhaka, April 14, p 4. Loose censure by coroner’s, June 28, p 14. | Keiser meat cutter, The, Feb. 3, p 20. Keller P. W.. Mareh 8, p 15, | Keys, steel, Jan. 6, p 11. Kitchen boiler explosions, Feb. 17, p 11. Kitson reversing geaz for rolling mills, The, April 7, p 1. Kloman, Andrew, Jun. 27, p 1. Eye bar, Tests of the, Feb. 3, p 13. Korting’s steam blast nozzle, March 24, p 18. Labor and Wages, Feb. 3, p 26; Feb. 17, p 26; March 3, p 13; March 31, p 24; April 14, p 26; April 21, p +4; April 28, p 24; May 5, p 28; May 26, p 24; June 2, p 17; June 9, p 11; June 16, p 13; p30, 17. flours of, in France, Apmi 28, p 15. Movements of, March 17, p 14. situation at Pittsburgh, The, May 19, p 14. troubles in the West, June 9, p 14. Ladle, The Caspersson converter, June 2, pl. Lake copper, The exportation of, May 5, p 14. Iron vessels on the, Feb, 10, p 18. Superior ore market, The, June 2, p 14. Lamp, An improvement of the Davy safety, May 5, p 11. Latch, Anti-friction, Jan. 6, p 9, Latches, Russell Reversible, Jan. 6, p 9, Laughlin, Mr. Alexander, Jr., March 17, p 15. Lawn and garden sprivkler, The perfection, April 21, p 7. : Law of conspiracy as stated by a Pennsylvania Judze, The, March 10, p 11. Treasury rulings and the, April 28, p 14. Lawrence cargo block, The, Jan. 20, p 1. Lead, Jan. 6, p 18. Works declared a nuisance, Jan. 13, p 20. Leadville district. in 1880, The, Jan. 20. p 24. Ores, Analysis of, Jan. 13, p 15. T.eaks, Detecting gas, Jan. 27, p 1. »ather belts, Formula for the horse-power of, June 2, p 26. ivitt’s new engine for the Calumetand Hecla mine, June 16, p 15. } ral tenders, No return of, March 17, p 26. seps canal scheme a tilibustering operation, Is the, June 23, p 15. ibility act, The employer's, Feb. 10, p 14. Employers, March 17, p 26. Of corporations for accidents, The, Jan. 13, p 14. Of employers for accidents, Jun. 20, p 14. Of railroads for deteation of freights, March 24, p 14. erty and conspiracy, Individual, Jan. 6, p 14. htning tire sbrinker, The, May 19, p 13. hthouse, The new Cape Henry, June 3v, p 1. iefacation of gaseous mixture, The, May 26, 19. odin Cornice machine, March 17, p 18. March 31, p 13. Local taxation of commercial travelers, May 12, p 14. Locomotion by compressed air, March 10, p 7. Locomotive fires with gas, Starting, Feb. 17, 13. Smoke, Invasion of property by, March 17, p 18. Locomotives, Compound, March 3, p 1. Loggia of St. Mark’s, Venice, Gates of the, Feb. 17, p 1. London Jimes on protection, The, April 28, p 13. Loose censure by coroners’ juries, June 23, p 14. Lubricants, Testing, May 5, p 11. Machine gun trials in England, March 31, p 5. Machinery, A plea for improved Americen, April 7, p 1. : at the Atlanta Cotton Exposition, April 14, p 24. Driving nails by, March 31, p 13. in Eogland, American mi'), June 9, p 15, Magnetism of iron and steel, March 17, p 15. Making iron columns secure, June 2, p 28. Mailable and uomailabvle postal cards, May 12, » 14. Maile,” Business documents in the, Jan. 13, » 20. to'China ani Japan, April 7, p 24. Malleable cast iron, Feb. 3, p 1. Manganese alloys, Oo, April =p 9. iu splegels, iron and steels, Method for the estimation of, March 3, p 1. in steel, The determination of, April 7, 15. metal in the arts, Feb. 10, p 9. required to remove the oxygen from iron after it has been blown in a Bessemer converter, The amount of, March 3, p 9. Manufscture, Bicycle, June 23, p 1. of Bessemer steel and steel rails in Amer- ica, On the, May 12, p 3. of ferromanganese in Russia, Jane 30, p 15. of paroffine from ozocerite, The, March 8, p 1. of pins in the United States, March 3, p 26. of wire in Westphalia, Germany, The, June 30, p 1. Manufacturers, Tin plate, June 23, p 17. Manufactures of the country, The cotton, Jan. 20, p 26. Raw waterial and partial, March 3, p 3. Manufacturing cast-iron capnon upon ihe Rod- man plan, Process of, Juve 30, p 7. industries of Reading, June 30, p 1. March, immigration for, April 21, p 1. Marine boiler and engine, Improved, March 24, » 24. construction, The latest novelty in, April 7, - ‘ 13. Marker, Tie Lake Superior ore, June 2, p 14. Martel furnace, The, Feb. 24, p 1. Master Car Builders’ Associution, The railroads and the, June 23, p 14. Matanzas Exhibition, The, Jan. 27, p 20, Materia! for basic linings, A, Feb. 3, p 1. Materials, Tue transportation of raw, June 2, » 7. Mennibemiet of high temperatures, The opti- cal, June 2, p 1. of water power, Division and, June 23, p 9. Meat, A process for preserving, Jan. 27, pl. cutter, The Keiser, Feb. 3, p 20. Mechanical Eogineers, American Society of, May 5, p 15; 2p 14; 19, p7; 26, p 7. Meztanical engineers, The meeting of the, May 26, p 14. Engineers, Tbe excursions of the Society of, June 2, p 17. power, Elec. ricity as a, June 16, p 15. Mechanies’ [nstitute of BostopeTne, April 21, p 9% Meeting of the mechanical engineers, The, May Melbourne, American honors at, May 5, p 17. Melting in the cupola, Fast, May 26, p 15. metals, Improved portable furnaces for, April 14, p 7. pots for giass and steel, New, Jan. 27, p 9. Mercantile failures ia three months, April 4, 24. Marethtetomenens in stove ornamentation, Murch 17, p 14. Metal dutees for 1880, Annual review of the, Jav. 6, p 17. Metalliferous ores, British exports aud imports of, June 30, p 17, , Metallurgical arts, science and industry since 1805, The advance in mining and, Feb. 24, p 26. notes, Jan. 15, p 15; 20, 16; Feb. 3, p 1; 10, p 9; March 3, p 28; 10, p 1; 24, 15; 23, p11; 30 p 15. p15; June 2, p1; 9, he progress in, Jan. Metallurgy during 1880, 13, p 14. Import ani export of, April 14, p 19. Improved portable furnaces for melting, April 14, p 7. The color relations of, Jan, 20, p 1. Meteorites, Fussils in, Feb. 10, p 24. | Method of generating steam, A peculiar, March 3, pl. Methods ot iron and steel analyses, April 14, | p L. Mexican cable, The new, Jar. 20, p 9. Minister on commercial relations, The, May 26, p 17. Mexico and its resources, Jan. 20, p 5. and the United States, April 7, p 5. Railroads in, June 30, p 14. Regeneration of, April 21, p 14. Middlesborough district, Salt in the, May 19, » 15, district, Trade of the, April 14, p 3. Mild steel in France, May 19, p 3. steel in workshops, June 2, p 28. Millers’ International Exhibition at Cincinnati, The engine trials at the first, April 14, i F Mill for ro!ling steel, A universal, June 28, p 26 machivery in England, American, June 9, p 15. miners at Wheeling, Strike of the, Jan. 13, » 20. Milling machine and dividing head, A new power, Feb. 3, p 17. Mine accidents in France, Jan. 13, p 11. Mineral resources of the Hocking Valley, The, March 24, p 10. Mines, Hot water in anthracite, March 24, p 15. Mining and metallurgical arts, science and industry since 1805, The advance iv, Feb. 24, p 26. Engineers, American 17, p15; 24, p15; 15; June 2,p 15; 9, p17; » 3. The outlook for gold and silver, April 14, p 14. Minority interests in siock companies, ing, Apri) 28, p 25. rights in stock companies, April 28, p 3; Muay 12, p 14. Mississippi River as a highway for commerce, The, April 7, p 17. Missouri coal and iron syndicate, The, June 23, Institute of, Feb. March 3, p 15, 10, p 16, p 15; 28, Protect- p 24. Mixtures, The liquefaction of gaseous, May 26, p19 Molders in Chicago, April 7, p 18. Molding iridium, Working and, May 26, p 19. machines for foundry purposes, Improved, June 2, p 7. Moon, The far West and the, May, 12, p 17. Mop poils, Improvement in, Feb. 3, p 26. Motor, A new high-speed, June 16, p 24. Hydraulic pamping, Jan. 20, p 1. The Rogers water, Juve 9, p 1. Mound builders, The, Feb. 10, p 24. Move in founding, The new, My 19, p 14. Movements of labor, March 17, p 14. Muller s researches on the gases in steel, Dr., March 10, p 1. Murder at Dunbar, June 30, p 15. Nail factories, Pittsburgh wages scales, in force in rolling mills and, June 1, 1881, June 30, p 17. feeding, A race at, April 28, p 5. Nails, Burbed fencing, March 24, p 9. by machinery, Driving, March 31, p 13. Names, The use of business, June 9, p 19. Nason Mfg. Co.’s improved steam trap, Jan. 138, p 5. Nationa! Association of Stove Manufacturers, The, Feb. 10, p 15; 24, pp 3, 7, 9, 11 and 13; June 16, p 9. on The funding bill and the, March 3, p 158. Free-trede Union, English, Jan. 27, p 14. Natural advantages, May 26, p 15. Navigation laws, The Hardware Board of Trade and the, Jan. 13, p 13. Navy, The torpedo service in the, Feb. 17, p 1. -Neshannock Iron Works, Whitwell hot-blast stove at the, Feb. 10, p 15. Newark Board of Trade, Ninth annual report of the, May 12, p 15. Newfoundiand, American enterprise in, June 16, p 14. New Jersey, Corporate power in, April 7, p 15. Orleans, lron importations by way of,June 23, p 26. publications, Jan. 6, p 15; 29, p 15; Feb. 3, p 15; 17, p 26; March 10, p 13; 24, p15; aoe 7,p15; May 12, p15; 26, p 15. York, The foreign trade movements in, April 21, p 5. York, The iron regions of Central, May 12, York, Underground railways ip, April 7, p 18. Zealand, American competition in, April 28, p 1. Nickel-plating solutions, The Potts, Jan. 6, 15. solution, The acid, Feb. 3, p 20. anleeee, The Pendleton acid, April 28, p 24. s@.uuon, The Potts, March 24, p 24. Night latch, Improved, March 24, p 18. Nomenclature, Enulish worksbop and trade re- port, April 21, p 14. North America, The extinct toothed birds of, April 7, p 1. Chicago, Tie, June 2, p 26, Northern Coast of Africa, The, April 7, p 7. Northwestern improvements, June 9, p fy Novel foige, A, May 5, p 1. kind of wire belting, A, May 5, p 11, phenomenon, A, May 5, p 11. Novelties, Some recent hardware, March 31, p 18, Novelty in marine constructions, The latest, April 7, p 13. Nozzles, Hose pipe, Jan. 6, p 26. Nugget of plaunum, A remarkable, Feb. 10, p 2. Nuisance, Lead works declared a, Jan. 13, p 20, Nut tepoet, New power bolt cutter and, June 80, p 7. Obelisk, The Egyptian, Jan. 27, p 15. Obituary, April 28, p 15; June 16, p 15, Ocean cable companies, Consolidation of the telegraph and, Jan. 20, p 14. steamship traffic, June 9, p 15. Oesterleir.’s triction clutch, Jan. 13