Opening Pages
Semi-Annual Index of THE IRON AGE January —June, 1930 VOL. CXXV THE IRON AGE PUBLISHING CO. 239 West 39th Street NEW YORK A Abbott, Charles F.: Consumption Financed Through Wages, Feb 27 p 681 Abrasive Compound: For Lapping Tungsten-Carbide Tools*, May 15 p 1477 Accidents: Armco Plant Safety Record, May 1 p 1334 At Metallurgical Works, Mar 20 p 878 In Iron and Steel Industry, 1910- 1928, Apr 3 p 1009 Irreducible Minimum Apr 17 p 1180 Acme Machine Co.: Turret Lathe for Tungsten-Carbide Tools*, June 26 p 1906 Acme Steel Co.: Annual Report, Jan 30 p 387 Hot-Strip Mill*, Mar 20 p 846 Airbrush: Paasche for Applying One or More Colors*, May 15 p 1475 Aircraft: All-Metal Airplanes, Mar 20 p 858 Alloy Steel Sheets for*, Feb 13 p (Editorial), 502 Construction in Sikorsky Plant*, Jan 30 p 362 Detroit Company Adopts Metal Fuselage, Apr 10 p 1082 Metal Rib Wings for Airplane’, Jan 16 p 230 Outlook for Industry, Jan 2 p 23 Parts Made of Stainless Steel, Apr 10 p 1088 Plans of Airplane Companies, Jan 9 p 163 Welding, Limitations on, Jan 23 p Airplanes: (See Aircraft) Ajax Electrothermic Corporation: High-Frequency Electric Furnace*, May 1 p 1301 Ajax Metal Co.: Electric Zine Melting Furnace’, Ma…
Semi-Annual Index of THE IRON AGE January —June, 1930 VOL. CXXV THE IRON AGE PUBLISHING CO. 239 West 39th Street NEW YORK A Abbott, Charles F.: Consumption Financed Through Wages, Feb 27 p 681 Abrasive Compound: For Lapping Tungsten-Carbide Tools*, May 15 p 1477 Accidents: Armco Plant Safety Record, May 1 p 1334 At Metallurgical Works, Mar 20 p 878 In Iron and Steel Industry, 1910- 1928, Apr 3 p 1009 Irreducible Minimum Apr 17 p 1180 Acme Machine Co.: Turret Lathe for Tungsten-Carbide Tools*, June 26 p 1906 Acme Steel Co.: Annual Report, Jan 30 p 387 Hot-Strip Mill*, Mar 20 p 846 Airbrush: Paasche for Applying One or More Colors*, May 15 p 1475 Aircraft: All-Metal Airplanes, Mar 20 p 858 Alloy Steel Sheets for*, Feb 13 p (Editorial), 502 Construction in Sikorsky Plant*, Jan 30 p 362 Detroit Company Adopts Metal Fuselage, Apr 10 p 1082 Metal Rib Wings for Airplane’, Jan 16 p 230 Outlook for Industry, Jan 2 p 23 Parts Made of Stainless Steel, Apr 10 p 1088 Plans of Airplane Companies, Jan 9 p 163 Welding, Limitations on, Jan 23 p Airplanes: (See Aircraft) Ajax Electrothermic Corporation: High-Frequency Electric Furnace*, May 1 p 1301 Ajax Metal Co.: Electric Zine Melting Furnace’, May 1 p 1305 Ajax Mfg. Co.: Large Upsetting Forging Machine*, May 15 p 1473 Alamo Iron Works: Automobile Parking Space for Em- ployees*, June 19 p 1831 Alberts, W.: Talbot Process in Steel Furnace’, Jan 23 p 309 Alford, L. P.: Developments in Management, Apr 10 p 1082 Algoma Steel Corporation: To Build Rail Structural Mill, June 19 p 1830 Allegheny Iron & Metal Co.: Hydraulic Scrap Baling Press In- stallation*, Mar 6 p 729 Allegheny Metal: Culinary Utensils Made of*, Feb 6 p 445 Allen, N. P.: Gas Content and Soundness of Cop- per Ingots, Mar 27 p 949 INDEX Illustrated articles indicated by * Alliance Machine Co.: Aluminum Alloy Crane*, June 5 p 1689 Allis-Chalmers Mfg. Co.: Mutual Aid Society*, Mar 20 p 843 Alloy Steel: (See Also Steel) Apso and Durapso, French Stain- less, Jan 23 p 348; June 19 p 1848 Chrome-Nickel and Chromium, Drawn Stampings of*, June 12 p 1755 Chrome-Nickel Unusual Products*, June 12 p 1735 Chrome-Nickel Used in Ford Cars*. Feb 20 p 594 Chromium-Copper, French Struc- tural, Mar 13 p 815; June 19 p 1848 For Gears*, Feb 13 p 507 Forgings of Nickel-Chromium Molybdenum, May 1 p 1341 Forgings, Snow Flakes in*, May 8 p 1380 Manganese-Chromium Structural, Feb 13 p 516 Molybdenum, Survey of Applica- tions*, Jan 9 p 141 Nickel-Chromium at Elevated Tem- peratures, May 29 p 1597 Nickel, for Forgings, Feb 13 p 515; Mar 20 p 851 Rolled, Production and Main Chan- nels of Consumption, 1929, Jan 9 p 145 Sheets for Aircraft*, Feb 13 p 502 Side Frames for Trucks*, Jan 16 p 226 Stainless Chromium-Manganese’™, May 15 p 1468 Vanadium, for Railroad Equipment, Jan 23 p 297 Vanadium, for Railroad Springs, Feb 13 p 525 Versus Aluminum Alloys, Feb 20 p 600 Alloys: Aluminum, for Construction of French Hydroplanes, Feb 20 p 570 Aluminum, in Automotive Field, Mar 27 p 918 Aluminum, R. R. 50, for Auto- mobiles, May 15 p 1458 Aluminum-Silicon, Corrosion Jan 2 p 62 Aluminum, Structural Rolling Mill for*, Mar 6 p 707 Aluminum, Versus Steel, Feb 20 p 600 Bronze, as Made in France, Feb 13 of, p 545 Chrome-Nickel for Culinary Uten- sils*, Feb 6 p 445 Copper, P. M. G. Metal*, Mar 6 p 727 For Die Castings, Tests*, Jan 9 p 156 Heat Resisting*, Feb 6 p 431; Feb 20 p 578 Iron, Hails Promise of, June 5 p Hardening with Nitrogen, May 29 p 1608 Ironite, New Iron, Feb 27 p 664 Phos-Copper Welding Rod, June 12 p 1763 iii All-Steel-Equip Co.: Tool Cabinet*, June 5 p 1693 Alpax: Aluminum Alloy, for Construction of French Hydroplanes, Feb 20 p 570 Alumina: Effect on Slags in Steel Melting Furnaces, Mar 20 p 845 Alumilite: Coating of Fast Colors, Mar 20 p 868 Aluminite: Carey Heat Insulating Material, May 8 p 1410 Aluminum: Alloys, Versus Steel, Feb 20 p 600 Coating with Fast Colors, Mar 20 p 868 ee in Industry, Jan 2 p 3 In Automotive Field, Mar 27 p 918 Outlook for Industry, Jan 2 p 60 Production, Exports and Imports, 1929, Mar 13 p 798 Structural Shapes of (Editorial), Mar 13 p 813 Aluminum Co. of America: Price Discrimination Complaint Dis- missed, Apr 10 p 1091 Rolling Mill for Aluminum Alloy Shapes*, Mar 6 p 707; May 1 p 1337 American Crane Co.: Cranes of Welded Consiruction*, Feb 13 p 509 Large Welded Gantry Crane, Jan 16 p 265 American Electric Fusion Corpo- ration: Tube Welding Machine*, Apr 17 p 1161 American Electrochemical Society: Richards Memorial Lecture Fund Started, Mar 27 p 974 Spring Meeting Proceedings, June 12 p 1752 American Engineering Council: Administrative Board, May 8 p 1407 Officers, Jan 16 p 244 American Fork & Hoe Co.: Safety Fork to Handle Steel Rails*, Jan 30 p 376 American Foundry Equipment Co.: Sand Preparing Machine*, May 1 p 1310 Tum-Blast Cleaner*, May 1 p 1206 American Foundrymen’s Association: (See Foundrymen’s Associations) American Gear Manufacturers’ Asso- ciation: Convention Proceedings, May 8 p 1394 Fall Meeting Announcement, June 12 p 1768 American Institute of Mining and Metallurgical Engineers: Convention Proceedings, Feb 27 p 645 American Institute of Steel Construc- tion: Awards for Most Beautiful Bridges, June 19 p 1832 iv American Iron and Steel Institute: Alloy Steel Production and Main Channels of Consumption, 1929, Jan 9 p 145 Board of Directors*. Jan 2 p 103 Confers with Institute of Scrap Iron and Steel, May 15 p 1481 Convention Papers, Apr 10 p 1091 Gregg, Robert, Director, May 15 p 1478 Pig Iron and Ferroalloys Produc- tion, 1929, Apr 3 p 1022 Pig Iron Capacity, 1929, May 8 p 1418 Rail Production, 1929, Apr 3 p 1048, (Editorial) p 1028 Spring Meeting Proceedings, May 15 p 1463 Steel Ingot and Castings Produc- tion, 1929, June 12 p 1764 Steel Ingot Capacity, 1929, May 8 p 1418 Steel Ingot Output by December and Year, p_ 173; January, p 529; February, p 805; March, p 1097; April, p 1403; May, p 1771 Steel, Rolled, Production 1929, June 12 p 1794 Trackwork Shipments, December, p 249; January, p 623; February, p 880; March, p 1174; April, p 1506; May, p 1867 American Locomotive Co.: Annual Report, May 1 p 1336 American Management Association: Convention Proceedings, May 15 p 1478; May 22 p 1544 Discussion on Hiring Age Feb 6 p 453 American Manufacturers’ Export As- sociation: Hurley, Edward N., President, Feb 6 p 477 American Marine Standards Commit- tee: To Develop’ Specifications for Marine Steel, Mar 13 p 806 American Monorail Co.: Overhead Rail System*, May 1 p 1309 American Oil Burner Association: Condemns Lavish Entertainment at Conventions, Feb 6 p 480 American Radiator & Standard Sani- tary Corporation: Cast Iron Pipe, Small Diameters for Plumbing and Heating*, May 29 p 1620 Home Modernization June 5 p 1663 American Railway Car Institute: Woodin, W. H., President, Jan 30 p 385 American Refractories Institute: Officers, May 29 p 1633 American Rolling Mill Co.: Acquires Sheffield Steel tion, May 22 p 1554 Foreman-Manager Plan*, Mar 13 p 777, (Editorial) p 814 Hook, Charles, R., President*, Jan 9 p 198 Motion Pictures of Continuous Sheet Rolling, May 8 p 1391 Safety Record, May 1 p 133 To Manage British Plant, Feb 20 p 597, (Editorial) p 600 Months, Limit, Campaign, Corpora- American Society for Steel Treating: Congress to Feature Nitriding, June 19 p 1842 Group Meeting, May 29 p 1614 New Jersey Chapter Annual Meet- x, Mar 20 p 866 American Society of Safety JANUARY—JUNE, 1930 New Haven Chapter Officers, June 12 p 1780 New York Chapter Tungsten Carbide, 1556 Semi-Annual Convention Proceed- ings, Feb 13 p 515 Meeting on May 22 p American Society for Testing Mate- rials: Committees’ Spring Meeting, Pro- ceedings, Mar 27 p 938 Considering Specifications for Alloy Steel Castings, Apr 17 p 1160 Convention Program, May 29 p 1632 Joint Committee on Steel at High Temperature, Apr 3 p 1020 Nominations, May 29 p 1619 Specifications for Welding, Jan 23 p 324 Steel Committee Meeting, Mar 6 p Symposium on Automobile Mate- rials*, Mar 27 p 930 American Society of Mechanical Engi- neers: 50th Anniversary, Apr 3 p 1017; Apr 10 p 1096; Apr 17 p 1171 Aeronautical Meeting with Engi- neers’ Society of Western Pennsylvania, Mar 20 p 858 Joint Committee on Steel at High Temperature, Apr 3 p 1020 Mactine Shop Practice Program, May 29 p 1628 Management Engineering Prob- lems, Mar 13 p 781 Management Meeting, Mar 13 pp 781, 786 Materials Handling in Chicago Daily News Plant, Mar 13 p Handling Meeting, 795 Materials Mar 13 pp 781, 794, 795 Micromotion Study, Apr 24 p 1240 Nominations, June 19 p 1840 Readjustments of the Machine Age, Mar 13 p 794 Semi-Annual Meeting, June 19 p 1840 Shop Practice Division: Welding and Cutting of Steel, Jan 16 p 245; Mechanical Lapping, Mar 27 p 943 Wage Incentives in Manufacturing, Mar 13 p 786 Wire Rope Discussions Published, Jan 9 p 172 Engi- neers: Industrial Safety Work Fails to Interest, Mar 13 pf 806 American Standards Association: Financing, Jan 30 p 387 American Steel and Heavy Hardware Association: Convention Proceedings, May 29 p 1629 American Steel & Wire Co.: Expansion, Apr 10 p 1101; Apr 17 p 1198 American Tin Trade Association: Officers, Mar 13 p 836 American Welding: Society: Annual Meeting, May 1 p 1320 American Zinc Institute: Annual Meeting, Apr 24 p 1236 Anderson, Harvey A.: Die Casting Industry*, Jan 9 p 155 Progress, Anderson, Robert, J.: Outlook for Aluminum Industry, Jan 2 p 60 Annealing: (See Also Heat Treating) Bright, Griinewald Process*, Apr 3 p 1002 Apprentices: Training—a Growing Need, June 5 p 1680 Training Foundry*, Jan 16 p 215 Training in Pratt & Whitney Plant*, Apr 24 p 1209 Arcade Mfg. Co.: Jolt Squeezer*, May 1 p 1305 Arrow Aircraft & Motors Corpora- tion: Service Piping for Welding Gases* Feb 20 p 575 Ashdown, H. H.: Snow Flakes in Alloy Steel Forg- ings*, May 8 p 1380 Associated Alloy Steel Ce.: Branch Offices, Mar 13 p 836 Organized to Sell Nitralloy and Rustless Steel, Feb 13 p 555 Associated Machine Tool Dealers: Spring Convention, June 12 p 1775 Association of Iron and Steel Elec- trical Engineers: Convention Proceedings, June 26 p 1902 Symposium on Open-Hearth Fur- nace Control, June 26 p 1889 Assouan Dam: Chrome Nickel Plates Used at, Mar 20 p 867 Atlanta: Advertising a City (Editorial), Apr 3 p 1027 Austin Co.: Welded Structural Frame Joints’, Jan 16 p 222 Austin, W. J.: Prospects for American Business in Russia*, Feb 27 p 652 Australia: Emergency Tariff, Apr 10 p 1087 Iron and Steel Output, 1929, Apr 10 p 1126 Automatic Transportation Co.: Tiering-Lifting Truck*, May 1 p 1307 Automobiles: All-Aluminum, Mar 27 p 918 Aluminum Alloys for, May 15 p 1458 As a Trade Index (Editorial), Jan 23 p 323 Body Building in Murray Plant’, Feb 6 p 427 Ford World Output, 1929, Jan 16 p 283 Frame Manufacture in Smith Plant*, June 5 p 1665 Materials, Symposium on*, Mar 27 930 p Outlook for Industry, Jan 2 p 16; May 8 p 1390 Parking Space for Alamo Iron Works Employees*, June 19 p 1831 Production, 1929*, p 19; December, p 349; January, p 694; February, p 902; March, p 1237; April, p 1581; May, p 1942 Production Consistent (Editorial), June 26 p 1916 Production, Variations in (Edi- torial), Feb 6 p 458 Progress in Tests of Materials for, May 1 p 1334 Registration, World, Mar 6 p 768 Stabilizing Output (Editorial), Jan 9 p 170 Aviation: é In Readjustment Era, Jan 2 p 22 B Babcock & Wilcox Co.: Gas-Fired Laboratory Furnace’*, Feb 6 p 448 Bablik, Dr. Ing. Heinz: Bending Conditions of Galvanizing*, May 15 p 1452; May 22 p 1528 Baily, T. F.: Gray Iron from Steel Scrap, Mar 6 p 725 Bain, E. C.: Martensite and Its Structure, Feb 13 p 516 Baird Machine Co.: Chucking Machine to Operate on Pistons*, Apr 17 p 1162 Baker, L. R.: Subdivision of Metric Units, Apr 3 p 1028 Baldwin Locomotive Works: Drop Forgings, Large and Un- usual*, Apr 3 p 1005 Frame and Cylinder Machine Shops*, Mar 27 p 921 Handling Heavy Materials*, May 22 p 1517 Welding Practices in Tank Shop*, Mar 6 p 715 Baldwin Tool Works: Gas Furnaces for Lead Hardening of Shovels*, June 26 p 1880 Ballay, Dr. Marcel: Corrosion of Cast Iron, Feb 13 p 532 Bandsaws: Carter Quick-Change Tire Wheel for*, Apr 3 p 1014 Barges: Steel Consumption, 1929, Jan 16 p 243 Barnes Corporation, John A.: Automatic Lathe with Hydraulic Feed*, May 1 p 1327 Barnes Drill Co.: Cylinder Honing Machine*, Jan 30 p 381 s Drilling Machine, Front Axle*, June 19 p 1839 Barnes, W. C.: Detecting Rail Fissures, May 29 p 1610 Bars: Sea Water Corrosion Test, May 1 p 1293 Batteries: Electric Storage for Trucks*, May 8 p 1392 Batty, George: Sand, Most Potent Variable, May 22 p 1523 Bauer Brothers Co.: Grinding Machine Parts of Welded Steel*, June 19 p 1819 Bausch & Lomb Optical Co.: Optical Bevel Protractor*, Apr 24 p 1232 Beardsley & Piper Co.: Electric Magnetic Separator*, May 1 p 1308 Bearings: Anti-Friction, Requirements for Mills and Motors, June 26 p 1897 Ball, Fafnir Small Sealed, Mar 13 p 802 Ball, Manufacture by S K F In- dustries, Inc.*, Mar 6 p 703 Johnson Bronze _ Self-Lubricating, Feb 20 p 593 Becket, Frederick M.: Rustless Chromium - Manganese Steels*, May 15 p 1468 Bellevue Industrial Furnace Co.: Electric Soldering Iron Heater*, Mar 20 p 869 Bending: Qualities in Galvanizing Coating’, May 15 p 1452; May 22 p 1528 and JANUARY—JUNE, 1930 Bending Machine: Thomas Straightening and*® Feb 27 p 663 Bendix-Westinghouse Automotive Air Brake Co: Organized, Mar 6 p 728 Bennington, E. T.: Spring Suspension and Long Wheel- base for Overhead Carriers, Feb. 20 p 574 Benson, A. D.: Welded Girders Fabricated by Ma- chine*, May 8 p 1382 Beryllium: New Metal for Aircraft, Feb 27 p 692 Bethlehem Steel Corporation: Acquires Danville Structural Steel Co., Feb 6 p 466 Annual Meeting, Apr 10 p 1134 Annual Report, Jan 30 p 386; Mar 20 p 875; Quarterly Report, May 1 p 1332 Merger with Youngstown Sheet & Tube Co.*, Mar 20 pp 876, 897, (Editorial) p 882; Mar 27 p 948; Apr-3 p 1023; Ratified, Apr 17, p 1165; Suit to Block, May 1 p 1333; May 8 p 1429 Organizes Pacific Coast Steel Cor- poration, Jan 30 p 384 Stock Taken by Employees, Apr 24 p 1237 Bidding: Firm, Resolutions Adopted by Ma- chinery Builders Society, May 22 p 1552 Billet Gouger: Putnam*, Mar 27 p 944 Bins: Simplex Nesting*, June 26 p 1907 Black & Decker Co.: Heating Small Parts Electrically*, Apr 24 p 1214 Blakelock, R. M.: Micromotion Study Applied to Man- ufacture of Small Parts, Apr 24 p 1240 Blinkenterg: Asserts New French Alloy Steels Are of German Origin, June 19 p 1848 Bliss Co., E. W.: Double Crank Press*, 1623 Double Eccentric Press*, Apr 3 p 1013 Shear-Type Scrap Cutter*, Mar 13 p 800 Blisters: Causes on Enameled Iron, May 15 p 1451 Blower: Wilbraham-Green Cupola*, May 1 p 1311 Blowpipe: Brassert Insulated for Blast Fur- naces*, Apr 10 p 1086 Oxweld General Purpose*, Mar 13 p 802 Blue Valley Machine & Die Works: Flanging Machine with Roller Bear- ings*, Jan 16 p 238 Boegehold, A. L.: Cast Iron for Automobiles, Mar 27 p 930 Boilers: Power, Welded Drums for, May 1 p 1320 (Editorial) p 1339 Booher, John R.: Washing Windows to Costs*, May 8 p 1369 May 29 p Reduce Book Reviews: Aluminum Industry, June 19 p 1828 Are Welding, May 8 p 1384 Chemical Dictionary, Jan 30 p 413 Commercial Survey of New England, June 18 p 1829 Davenport, Thomas, Pioneer Inventor, Jan 30 p 372 Engineering Drawings, Jan 30 p 413 Five-Day Week in Manufacturing In- dustries, May 8 p 1434 Forty Years with General Electric, Jan 30 p 371 Foundry Accounting, as Done in Ger- many, Jan 30 p 413 Gages and Fine Measurements, May 8 p 1383 Gmelin’s Handbuch der anorganischen Chemie, Jan 30 p 413 Hand-to-Mouth Buying, May 8 p 1383 High-Strength Iron Castings, Jan 30 p ole Impurities in Metals, Feb 27 p 691 Industrial Heat Transfer, Feb 27 p 691 Iron and Steel, Short Manual (Kurzge- fasste Eisenhuttenkunde), Feb 27 p 691 Lathe Construction and Operation, Jan 30 p 371 Market Data Handbook of States, Jan 30 p 413 Materials-Handling Equipment, June 19 p 1828 ——e Aviation Engines, Feb 27 p 65 Practical Steel Making, Jan 30 p 371 Psychology and Industrial Efficiency, Feb 27 p 691 ; Tin Mining, Production, Technology and Applications, May 8 p 1384 Books Received: Jan 30 p 414; Feb 27 p 692; May 8 p 1434; June 19 p 1829 Bopp Steel Corporation: Starts Cold Strip Mill, Apr 10 p 1092 Borg-Warner Corporation: Buys Plant to Make Special Steel, Feb 27 p 665 Boring Machines: Consolidated Drilling, Milling and*, Feb 20 p 593 Botfield Refractories Co.: Chromite Cement, Jan 16 p 245 Bowers, Glenn A.: Problem of Unemployment, Jan 2 p 65 Boyd, T. A.: Research Creates Feb 20 p 595 Boyer, Charles S.: Dover Forge Iron Tools and Tongs of the 1860’s*, Feb 13 p 525 Box Crane & Hoist Corporation: Plant Rearrangement Adds to Ca- pacity*, Apr 17 p 1156 Bradley Car Co., Osgood: Merged with Pullman, Inc., and Standard Steel Car Co., Jan 2 p 108 Brake: Cincinnati Press, Unusual Length’, June 12 p 1763 Brandt, E. C.: Economies Through Standardiza- tion, May 8 p 1388 Brass: Deep-Etch Test, June 12 p 1745 Electric Furnace for Melting, June 12 p 1747 Season Cracking Due to Stress and Corrosion*, Mar 27 p 932 Brassert & Co., H. A.: Insulated Blowpipe for Blast Fur- naces*, Apr 10 p 1086 Brazil: Demand for Road Machinery, Feb 13 p 552 Breisky, J. V.: Electric Eye for Determining Tem- perature or Illumination*, Apr 24 p 1231 Bridgeport Safety Emery Wheel Co.: Buffing Lathe*, June 5 p 1694 United Employment, vi Bridges: Hudson River, Clamping Wires into Cables*, May 29 p 1604 Manufacture of Wire for*, Apr 17 p 1147 Mount Pleasant and Mount Hope Receive Awards for Most Beau- tiful, June 19 p 1832 British Empire Steel Corporation: To Be Reorganized, Apr 17 p 1170 Broadcasting: Business Editors Talk Over Radio’, Apr 10 p 1079 Bromer, H. E.: Duplexing Iron Castings with Elec- tric Furnace*, May 8 p 1372 Bronze: What Is a? Jan 16 p 236 Brown & Sharpe Mfg. Co.: Car Wheel Gages*, June 5 p 1694 Combination Depth and Drili Point Gage*, Feb 13 p 521 Depth Gage Attachment*, Feb 27 p 663 Micrometer, No. 24*, Feb 13 p 521 Redesigned Plain Milling Machine*, Feb 6 p 451 Screw Gage*, May 1 p 1331 Wire Gage Selectors*, Feb 20 p 593 Brown-Boveri & Co.: Turbo Blowers with Chromium- Nickel Blades, Feb 27 p 636 Bruere, Henry: Individual Is Key to Jan. 2 p 79 Bryant, Leslie E.: Basic Conditions of Effective Utili- zation of Materials, May 8 p 1388 Buchler, Walter: China’s Future Steel Needs*, Apr 10 p 1073 Foreign Machinery Needs of Japan*, June 12 p 1738 Buckeye Portable Tool Co.: Grinder with Low Air Consump- tion*, May 1 p 1305 Buckingham, Earle: Inspection Costs in Various Plants, Feb 20 p 577 Budd Mfg. Co., Edward G.: Airplane Parts of Stainless Steel, Apr 10 p 1088 Budgets: System in Zimmerman Steel Foun- dry, May 22 p 1538 Buffalo Forge Co.: Heavy-Duty Billet Shear*, May 22 p 1547 Buffing Machine: Bridgeport, for Large Pieces*, June 5 p 1694 Prosperity, Building : . (See also Construction) An Anomalous Situation (Edi- torial), Jan 30 p 388 Campaign to Speed Up (Editorial), Feb 6 p 456 Contracts, December, p 274; Janu- ary, p 623; February, March, p 1174; First Quarter, p 1238; April, p 1500; May, p 1840 High Cost of (Editorial), Feb 27 Pp bbb Home (Editorial), Apr 17 p 1179 Industrial, 1929*, Jan 2 p 18 Outlook for 1930, Jan 2 p 12; Jan 9 p 146*: Feb 6 p 477 Residential, Room for (Edit rial), June 26 p 1914 Bull, R. A.: Progress in Steel Castings*, Jan 2p 43 JANUARY—JUNE, 1930 Bullard Co.: Electrochemical Cleaning Process*, Mar 27 p 947 Bullock, Charles J.: End of Business Recession in Sight, Jan 30 p 385 Bullock, William E.: Metric System, Feb 20 p 595; Mar 6 p 743 Bumpers: Manufacture in Eaton Plant*, Apr 24 p 1217 Bureau of Standards: Maizolith, New Industrial Material, May 15 p 1501 To Have New Hydraulic Labora- tory, Apr 17 p 1181 Burners: Oxweld Laboratory, Mar 6 p 735 Bus Transportation: Growing Industry, Jan 2 p 15 Business: Betterment, Why Minimize Signs of? (Editorial), Jan 23 p 322 Big and Lesser (Editorial), May 15 p 1482 Car Loadings Show No Trade Gain (Editorial), May 29, p 1630 Chart of Plan to Stabilize*, Mar 13 p 810 Depression, Initiative in (Editorial), Apr 3 p 1026 Editors Talk Over Radio*, Apr 10 p 1079 Forecast*, Jan 2 p 69; June 12 p 1767 Forecast, Value of, June 12 p 1744 Favorable Factors Indicate Early Revival in, June 19 p 1833 Gets Back to Sound Basis, May 15 p 1447 Indications Not Conclusive, Apr 17 p 1159 Is There Now a Long Swing in? (Editorial), May 29 p 1630 Maladjustment Temporary, Mar 20 p 865 Reactions Natural, Apr 24 p 1229 Reactions Not Yet Completed*, Feb 27 p 648 Recession Approximates 1924, June 5 p 1699 Recession, Bottom Reached, May 22 p 1553 Recession, End in Sight, Jan 30 p 385 Recovery and Price Slashes (Edi- torial), Jan 9 p 168 Seeking Good and Bad Spots in (Editorial), Mar 13 p 812 Trade Nearly Normal (Editorial), Feb 27 p 666 Butane: New Fuel for Industrial Heating, May 15 p 1478 Buying: Advantages of Uniform Methods, Feb 6 p 452 Buying and Selling: Reciprocity in (Editorial), Mar 20 p 883 Byers Co., A. M.: Old and New in Wrought Iron*, June 26 p 1898 By-Products: Production, 1929, June 19 p 1870 Cc Cabinets: All-Steel-Equip Tool*, 1693 Cable: Manufacture in Western Electric Plant*, May 29 p 1611 June 5 p Wire, ‘Stretching Beyond Working Load*, June 12‘p 1748 Caldwell, Frank W.: Steel Airplane Propellers, Mar 20 p 860 Camden Forge Co.: Nitriding Large Forgings*, Mar 13 p 787 Canada: Automobile Production, January, p 694; February, March, p 1237; April, p 1581, 1701; May, p 1942 . Capacities of Steel Foundries, Jan 2 p 59 Machinery, Castings and Forgings Production, 1928, Jan 23 p 348 Metal Production, 1929, Jan 16 p 269 Ontario Metal Industries Research Association Organized, Jan 16 p 249 Pig Iron and Steel Production, No- vember, p 105; December, p 476; January, p 768; February, p 1200; March, p 1361; April, p 1558 Steel Company Expansion, Jan 2 p 94 Tariff Revision, May 8 pp 1404, 1411; June 12 p 1797 Canadian Steel Corporation, Ltd.: Expansion Plans, May 8 p 1428 Cap Screws: Prices Revised, Feb 6 p 476 Capacity: Coke, By-Product, Jan 9 p 199 Pig Iron, Ferroalloys and Steel Ingots, 1929, May 8 p 1418 Republic Steel Corporation, Apr 10 p 1119 Rolling Mills for Copper Apr 24 p 1221 Steel Foundries of United States and Canada, Jan 2 p 59 Steel, Four Years (Editorial), May 15 p 1483; 10 Years*, May 1 p 1329; 1929, May 8 p 1418 Steel, Increasing (Editorial), Jan 16 p 250 Steel-Making Records, Jan 2 p 97 Capital: Supplies of (Editorial), Feb 13 p 530 Car Loadings: Show No Trade Gain (Editorial), May 29 p 1630 Carborundum Co.: Compound for Lapping Tungsten Carbide*, May 15 p 1477 Carey Mfg. Co., Philip: High Temperature Heat-Insulating Material, May 8 p 1410 Carlin, J. E.: Making Duplex Steel, Mar 27 p 925 Carlyle Johnson Machine Co.: Clutch with Chrome-Nickel Fingers*, Mar 20 p 869 Carnegie Steel Co.: Pension Disbursements, Feb 6 p 477 Safety Trophy for 1930*, Jan 9 p 150 Carrier Engineering Corporation: Air Conditioning System in Colum- bus Office Building*, June 26 p 1893 Vapor Baths for Degreasing Metals, Jan 16 p 240 Rods*, Steel Cars: Freight, in Service 1926-1929 (Edi- torial), June 19 p 1847 Carter, J. L.; Gray Iron Cost System, May 22 p 1535 Carter Products Co.: Quick-Change Bandsaw Tire and Wheel*, Apr 3 p 1014 Casting, Centrifugal: Alloy Steel Guns, May 22 p 1521 Castings: Cleaning with Water Jet, Feb 27 p 692 Gas Furnaces for Annealing*, Feb 27 p 637; Mar 27 p 952 Heat and Corrosion Resistant*, May 1 p 1277 Small, Spacing in Group Patterns’, Jan 23 p 293 X-Raying*, May 1 p 1290 Castings, Alloy Steel: Heat Treating — Three Methods, June 19 p 1821 Specifications Considered, Apr 17 p 1160 Status of, May 1 p 1294 Castings, Aluminum: Advances in, May 29 p 1598 Castings, Iron: British Research on, Mar 6 p 714 Compared with Welded Steel*, Mar 20 p 861 Correlation of Tests for, June 5 p 1679 Duplexed with Electric Furnace and Cupola*, May 8 p 1372 Economic Field of, May 15 p 1484 Electric Furnace for Corrosion Resistance, Feb 13 p 532 For Automobiles, Mar 27 p 930 French Foundry Uses Rotating Furnace for Melting, June 19 p 1817 From Steel Scrap, Mar 6 p 725 Molybdenum in, Jan 16 p 252 Of High Tensile Strength, May 22 p 1562 Pearlitic Made Commercially, Apr 10 p 1086 Production and Other Statistics, January, p 770; February, p 1019; March, p 1356; April, p 1662 Properties for Engineering Mate- rial, May 1 p 1281; May 15 p 1484 Properties of, and Coke, June 5 p 1680 Refuse to Step Aside, May 1 p 1281; May 15 p 1484; May 29 p 1632; June 5 p 1704; June 19 p 1848 Segments for East River Tunnel, May 29 p 1643 Standard Cost System Recom- mended, May 22 p 1535 Trend, Jan 3 p 36 With Nickel, Copper and Chromium, Apr 24 p 1216 Castings, Malleable: Diversified Specifications Needed*, June 19 p 1825 Foundry Practice, May 22 p 1532 Machinability of, May 22 p 1532 Production at Columbia Plant*, May 1 p 1285 Production by Months, November, p 187; December, p 349; Janu- ary, p 613; February, p 893; March, p 1509; April, p 1790; May, p 1942 Progress in, May 1 p 1297 Castings, Monel Metal: Foundry Practice, June 12 p 1754 Castings, Nickel: Foundry Practice, June 12 p 1754 Castings, Steel: 240-Ton Anvil Base*, May 8 p 1407 Best Conditions for Pouring, Mar 20 p 920 JANUARY—JUNE, 1930 Cleaning, in General Electric Plant*, Mar 6 p 730 Cutting by Oxygen Lance*, Apr 24 p 1230 Green Sand Molds for*, Mar 6 p 711 Manufacture in Eastern Plant*, Mar 20 p 853 Preventing Pin Holes in, June 26 p 1896 Production, November, p 187; De- cember, p 486; January, p 613; February, p 977; March p 1509; Year 1929, p 1764; April, p 1790; May, p 1942 Progress in, Jan 2 p 43 Rustless, Manufacture in Ohio Foundry*, Apr 3 p 993 X-Raying Large*, Feb 13 p 499 Caswell & Starke, Inc.: Edward W. Starke Retires from, May 15 p 1479 Cement: Chromite, Jan 16 p 245 Cement, Portland: Production by Months, January, p 695; February, p 879; March, p 1174 Ratio to Structural Steel, 1913-1929, (Editorial), Feb 13 p 530 Census: New Schedule for Industry, Feb 13 p 522 Taking (Editorial), Apr 24 p 1245 Census of Distribution: Canvassing Begun, Jan 23 p 321; Jan 30 p 383 Questions Feb 20 p 587 Census of Manufactures: Changes in Iron and Steel Manu- facture, May 15 p 1505 Questions Answered Feb 20 p 587 Center: Ready Ball-Bearing Tailstock*, Jan 9 p 161 Central Alloy Steel Corporation: Annual Report, Apr 10 p 1133 Central Railroad of New Jersey: Acquires Wharton & Northern and Mount Hope Mineral Railroads, Feb 20 p 620 Centrifugal Casting: Alloy Steel Guns, May 22 p 1521 Century Electric Co.: Fan-Cooled Induction Motors*, Mar 20 p 869 Chain: Cast Steel Anchor’ in Lengths*, Feb 6 p 434 Link-Belt Steel 1086 Steel, Tests of Hand Welded, June 19 p 1809 Chain Belt Co.: Leak-Proof Conveyor*, May 15 p 1474 Scrap Handling Equipment*, Mar 13 p 796 Chamber of Commerce of the United States: Annual Meeting, May 8 p 1401 Chambersburg Engineering Co.: Production Control in Champion Machine & Forging Co.: Controlling Fiber in May 22 p 1522 Chandler Products Corporation: Formed to Make Cap Screws, Feb 13 p 550 Chapple, Bennett: Industrial Marketing in New Era, May 29 p 1629 Machine Tool Answered Regarding, Regarding, 90-ft. Drive, Apr 10 p Building Large Machines*, Apr 3 p 997 Forgings*, vii Charging Machine: Gibbons-Van Marle for Plates*, June 26 p 1884 Chemistry of Steel*, May 22 p 1536 Chesapeake & Ohio Railroad: New Ore Dock, June 19 p 1840 Chicago World’s Fair: To Show Progress in Iron and Steel, Jan 30 p 390 China: Future Steel Needs*, Apr 10 p 1073 Ching, Cyrus: Mechanization and the Worker, Mar 13 p 794 Chromium: Gains in Consumption, Feb 6 p 474 Chucking Machine: Baird, to Operate on Pistons*, Apr 17 p 1162 Cincinnati Bickford Tool Co.: 3-Ft. Radial Drill*, June 5 p 1693 Master Radial Drilling Machine*, May 1 p 1326 Cincinnati Electrical Tool Co.: Metallographic Polishing Machine™, Jan 9 p 159 Cincinnati Planer Co.: Billet Cleaning Machine*, Jan 30 p 367 Grinder Head*, Jan 23 p 317 _ | Planer-Type Milling Machines*, Jan 30 p 378 Cincinnati Shaper Co.: Press Brake, Unusual June 12 p 1763 Clark Tructractor Co.: Lifting and Tilting Truck*, May 1 p 1301 Clark, W. C.: Building Industry, Outlook, Jan 2 p 12 60-Ft. Length*, Clarke, Charles W. E.: Economies Through Use of Waste Heat*, June 5 p 1681 Cleaning Machine: For Billet Surface*, Jan 30 p 367 Cleaning Process: Bullard-Dunn Electrochemical*, Mar 27 p 947 Clearfield Machine Co.: Sand Mixer*, May 1 p 1302 Cleveland-Cliffs Iron Co.: Acquires Corrigan-McKinney Steel Co.*, Mar 27 p 940 Annual Report, Apr 10 p 1092 Merged with Oglebay, Norton & Co., June 5 p 1697 Cleveland Crane & Engineering Co.: Welding Structural Girders*, May 8 p 1382 Cleveland Electric Motor Co.: Semi-Inclosed Motors*, Apr 10 p 1085 Cleveland Electric Tramrail: Overhead Pouring Device*, May 1 p 1306 Swing Crane Grinder*, Feb 13 p 552 Window Washing Equipment*, May 8 p 1369 Cleveland Hardware Co.: Conveyors in Trimming Depart- ment*, May 29 p 1607 Cleveland Pneumatic Tool Co.: Sand Rammer*, June 26 p 1906 Clutch: Carlyle Johnson with Chrome- Nickel Steel Fingers*, Mar 20 p 869 Washburn Shops Automatic Starter or*, Apr 10 p 1084 viii Coal: And Power, World’s May 1 p 1340 Consumption of Coking, 1929, Apr 17 p 1170; March, May 1 p 1334 Industrial Stocks, Jan 9 p 206; Feb 27 p 695; Mar 20 p 870; Apr 10 p 1123; June 12 p 1789 Inert Materials and Coking Power, Feb 13 p 498 Production, December, p 283; Janu- ary, pp 526, 695; February, p 880; March, p 1080; April, May, p 1868 Washing, Influence on Coke Proper- ties, June 26 p 1886 Coatings: Electrolytic Deposit with Colors, Mar 20 p 868 Electroplate, Protective Some, June 5 p 1680 Galvanizing, Bending Qualities*, May 15 p 1452; May 22 p 1528 Germanium for Steel, June 12 p 1752 Metallic Liquid for Protecting Gal- vanizing, Apr 10 p 1088 (Editorial), Fast Value of Paint, and Strength of Riveted Joints, Mar 27 p 917 Code: For Employment of Engineering Graduates, Apr 10 p 1078 Coes, Harold V.: Eliminating Industrial Wastes, Jan ° a 2p 61 Materials Handling, May 15 p 1501 Coke: By-Product and Beehive Production, November, p 274; December, pp 283, 473; January, pp 526, 665; February, pp 880, 977; March, pp 1080, 1404; April, May, p 1868 By-Product Activity, 1929, Feb 27 p 665 3y-Product Capacity, Jan 9 p 199 Properties, Influence of Washing Coal on, June 26 p 1886 Properties of Cast Iron and, June 5 p 1680 Coler, Carl S.: Training Future Business Leaders’, June 12 p 1741 Colorado Fuel & Iron Co.: Annual Report, Apr 10 p 1134 Columbia Malleable Castings Corpora- tion: New Plant*, May 1 p 1285 Columbia Steel Co.: Formed as Steel Corporation Sub- sidiary, June 26 p 1932 Columbia University: To Build Testing Laboratory, Jan 30 p 381 Columbian Steel Tank Co.: Recessed Nut to Stop May 1 p 1331 Columbus Bolt Works: Noise Deadening and tioning Office 26 p 1893 Compressors: \ir, Gardner-Denver Synchronous Motor-Driven, Feb 27 p 662 Concrete Reinforcing Steel Institute: ntion Proceedings, Apr 10 p LORS i Leakage’*, Air Building, Condi- June Conradson Tool Corporation: insion Reamer*, Jan 9 p 160 Consolidated Machine Tool Corpora- tion: Ap] Hydraulic Feed to Car WV I el Borer*, May 22 p 1548 JANUARY—JUNE, 1930 Betts Horizontal Boring, Drilling and Milling Machine*, Feb 20 p 593 Construction: (See Also Building) Engineering, Large, May 22 p 1545 Highway, First Quarter, May 15 p 1500; June 19 p 1868 Home Modernization—Way Out for Industry, June 5 p 1663 Public, Estimates for 1930, Jan 23 p 321 Public Works and Utilities Con- tracts, May 29 p 1626; June 19 p 1868; June 26 p 1932 Public Works Program, Mar 6 p 736; Mar 13 p 809; Mar 20 pp 878, 897; Apr 3 p 1020 Steel Company, 1929, Jan 2 p 97 Continental Roll & Steel Foundries, Inc.: Merger of Duquesne, Wheeling and Hubbard Foundry Companies, May 22 p 1581 Officers, June 26 p 1912 Continental Shares, Inc.: Largest Holder of Independent Steel Company Stocks, Jan Y9 p 172 Control: Stenhen-Adamson for Speed Changers*, Feb 13 p 520 Conventions: American Electrochemical June 12 p 1752 American Foundrymen’s Association,* May 15 p 1478; May 22 p 1538 American Gear Manufacturers’ Associa- tion, Mav 8 p 1394 American Institute of Mining and Met- allurgical Engineers, Feb 27 p 645 American Iron and Steel Institute, May 15 p 1463 American Management May 15 p 1478; American Society Feb 13 p 515 American Society for Testing Materials, Committees, Mar 27 p 938 American Steel and Heavy Hardware Association, May 29 p 1629 American Welding Society, 1320 Associated Machine Tool Dealers, June 12 p 1775 Association of Iron and Steel Elec- trical Engineers, June 26 p 1902 Society, Association, May 22 p 1544 for Steel Treating, May 1 Pp Chamber of Commerce of the United States, May 8 p 1401 Concrete Reinforcing Steel Institute, Apr 10 p 1088 Engineering Congress, World,* Jan 16 p 223; Jan 23 p 298 Entertainment Abuses, Feb (Fditorial). Feb 20 p 598 Institute of Metals (British), p 949 Institute of Scrap Iron and Steel, Mar 6 p 757; Mar 13 p 797 Iron, Steel and Allied Industries of California, Feb 27 p 649 National Association of Plat Rolled Steel Manufacturers, June 26 p 1899 National Association of Purchasing Agents, June 26 p 1909 National Hardware Association, 22 p 1557 National Machine Tool Builders’ Asso- ciation, May 29 p 1617 6 p 480; Mar 27 May National Metal Trades Association, Apr 24 p 1228 Non-Ferrous Ingot Metal Institute, May 8 p 1396 Open-Hearth Operators, May 29 1601; June 5 p 1669; June 12 p 1758 Taylor Society, May 8 p 1388 Conveyors: (See Also Materials Handling) Aid Production in Dayton Pump & Mfg. Plant*, Jan 23 p 300 Chain-Belt Leak-Proof*, May 15 p 1474 Core Ovens in Palmer-Bee Plant*, June 5 p 1673 In Kenosha Foundry*, Apr 17 p 1138 In Trimming Department of Cleve- land Hardware Co.*, May 29 p 1607 For Link-Belt Mold, with Vibrating Screens*, May 8 p 1392 Making Refrigerators on*, Mar 27 p 928 Overhead, Spring Suspension and Long Wheelbase for, Feb 20 p 574 Palmer-Bee Suspended*, May 1 p 1299 Scrap Handling in Motor Wheel Plant*, Feb 27 p 631 Shepard Niles for Hot Metal*, May 1 p 1310 System in Dura Plant*, Apr 10 p 1061 System in Eastern Jobbing Foun- dry*, Mar 20 p 853 Copper: Consumption by May 8 p 13871 Ingots, Gas Content and Soundness, Mar 27 p 949 Outlook, Jan 2 p 92 Prices—Too Much Stability torial), Apr 24 p 1245 Production, Exports and Imports, 1929, Feb 13 p 558 Copper and Brass Research Associa- tion: Copper’s Service to Industry, Jan 9 p 170 Copper Rods: Rolling Mill Capacity*, Apr 24 p 1221 Copper Wire: Defects in*, Mar 13 p 792 Coppus Engineering Corporation: Aeroplane Heat Killer*, Apr 24 p 1231 Core Ovens: Conveyors for, in Palmer-Bee Plant*, June 5 p 1673 Corrigan-McKinney Steel Co.: Acquired by Cleveland-Cliffs Co., Mar 27 p 940 Corrosion: Alloys at High Temperature, Feb 6 p 431; Feb 20 p 578 Aluminum-Silicon Alloys, Jan 2 p 62 Brass Pickling Tanks to Resist, Mar 27 p 917 Cast Iron, Feb 13 p 532 Chromium Steel, Five-Year Test, May 15 p 1454 Copper Bearing Steels, Apr 3 p 1028 Electro-Deposited Coatings, Protec- tive Value of Some, June 5 p 1680 Nitrided Steels, May 22 p 1531 Open Valley Flashings, Prevention, Printing Trades, (Edi- Iron Jan 23 p 302 Plates and Rivets Peculiar Case of, Mar 6 p 713 Reproducibility in, June 12 p 1754 Sea Water, of Test Bars, May 1 p 1293 Season Cracking of Brass Due to Stress and*, Mar 27 p 932 Theory and Practice of Resistant Equipment, Jan 23 p 306 White Rust of Galvanized Wares, May 29 p 1610 Corse, W. M.: Advances in Non-Ferrous Metals, Jan 2 p 55 Developments in Bearing Metals, Mar 6 p 722 Costs: . Inspection, in Various Types of Plants, Feb 20 p 577 Lowered by Budget System, May 22 p 1538 Machine Tool Builders Methods, May 1 p 1322 Discuss (Costs, Continued) Uniform Methods, Discussed by Okio Foundrymen, June 26 p 1883 Uniform Methods, Discussed by Steel Founders, Feb 13 p 522 Novelties at Less Than (Editorial), Feb 13 p 530 Standard System for May 22 p 1535 Unit, Reduced by Planning, June 12 p 1768 Workman Needs Data More Than Key Men, June 26 p 1879 Coulter, R. S.: Fair Comparisons of Performance Records, Mar 27 p 952 Countersinking Machine: Kent Double, for Nuts*, June 26 p 1905 Cox, John L.: Steel for Turbine Blades and Gas Engine Valves, May 29 p 1600 Crampton, D. K.: Season Cracking of Brass*, Mar 27 p 932 Crane, E. Y.: Progress in Pressed Metal Indus- try*, Jan 2 p 40 Cranes: Aluminum Alloy*, June 5 p 1689 American Large Welded Gantry, Jan 16 p 265 Of Welded Construction*, Feb 13 p Cast Iron, 509 Overhead, Safety Signals for, Jan 23 p 317 Production in Box Crane & Hoist Plant*, Apr 17 p 1156 Universal, to Expedite Building and Demolition*, June 5 p 1694 Crawford, George G.: President Jones & Laughlin Steel Corporation, Jan 30 p 412 Crockett, C. B.: Combining Different Types of Ma- terials Handling Equipment’, June 19 p 1810 Crossing: Ryerson All-Steel Highway*, May 8 p 1398 Cunningham-Hall Aircraft Corpora- tion: Airplanes with Metal Rib Wings*, Jan 16 p 230 Cushing, W. C.: Rail Breakages and Experiments with Heat Treated Rails, Apr 24 p 1224 Cut-Off Machine: Da Sanno Radiac*, Apr 3 p 1012 Cutler’s Company: Maintaining Name “Sheffield,” Jan 16 p 269 Cutter: aie Sete Scrap*, Mar 13 p 00 Landis Grooving for Victaulic Joints*, May 29 p 1624 D Danville Structural Steel Co.: Acquired by Bethlehem Steel Corpo- ration, Feb 6 p 466 D’Arcambal, A. H.: Tool Steel Failures, Feb 20 p 583; Mar 6 p 743 Davenport Machine Tool Co.: Redesigned Screw Machine*, June 12 p 1762 Davies & Thomas Co.: Manufacture of Pearlitic Cast Iron, Apr 10 p 1086 JANUARY—JUNE, 1930 Davies, L.: Protective Value of Some Electro- Deposited Coatings, June 5 p 1680 Dayton Forging & Heat Treating Co.: Heat Treating Plant*, May 15 p 1449 Dayton Pump & Mfg. Co.: Conveyor System*, Jan 23 p 300 Decherf, E.: Proper Temperature for Forging, May 15 p 1485 Defiance Machine Works: Cylinder Head Drilling Machine’*, Jan 30 p 378 De Forest, A. T.: Plea for Fair Policy in Selling Prac- tices, Feb 27 p 651 Degreasing Metals: Carrier Vapor Bath Process, Jan 16 p 240 Deister Concentrator Co.: Foundry Screen with Vibrator*, May 1 p 1301 Delaware & Hudson Railroad: Elastic Work Day, Apr 24 p 1237 Delaware, Lackawanna & Western Railroad: H-Beams to Carry June 26 p 1892 Denison, A. C.: Evils in Using Cost Figures, June Power Wire, 26 p 1883 Densite: Refining Material for Cleaner Steel*, June 26 p 1895 Deoxidation: In Steel Making, Apr 24 p 1223 Department of Commerce: New Building*, Apr 24 p 1225 Depreciation: Machinery, Washington Conference on, Feb 6 p 455 De Sanno & Son, A. P.: Radiac Cut-Off Machine*, Apr 3 p 1012 Detroit Aircraft Corporation: Adopts Metal Fuselage, Apr 10 p 1082 Detroit Vapor Stove Co.: Straight Line Production*, Feb 13 p 4938 Detroit-Windsor Tunnel: Lining of Welded Steel*, Apr 3 p 985 Deuble, N. L.: Steels Used for Gears*, Feb 13 p 506 Devereux, W. C.: Aluminum Alloys, “R. R. 50,” for Automobiles, May 15 p 1458 DeVore Co.: Taken Over by H. K. Ferguson Co., Mar 13 p 836 Dickson, Major T. C.: Centrifugal Casting of Alloy Steel Guns, May 22 p 1521 Die Casting: Brass, Mold Wash for, May 8 p 1376 Industrial Progress*, Jan 9 p 155; May 29 p 1599 Die Castings: For Automotive Field, Mar 27 p 931 Tests of Aluminum and Zinc Base Alloys for, Jan 9 p 157 X-Raying*, Apr 17 p 1135 Die Head: Modern 14-In. Stationary Self- Opening*, May 15 p 1477 National Acme with Removable Circular Chasers*, June 5 p 1693 ix Dierker, A. H.: Reclaiming Steel Foundry Sands*, Feb 27 p 644 Dietert, Harry W.: Device for Testing Hardness of Molds*, May 1 p 1311 Differentiation: Is the Next Step Toward? (Edi- torial), Mar 6 p 741 Disston & Sons, Inc., Henry: Giant Metal-Cutting Saw*, Feb 13 p 545 Dividends: Metal-Working Industries, Distri- bution Seven Years, June 5 p 1688 Docks, Ore: Chesapeake & Ohio Railroad, June 19 p 1840 Hocking Valley, Feb 20 p 617 Douglas Medal: Awarded to John Van Nostrand Dorr, Feb 27 p 645 Dover Forge: Iron Tools and Tongs of the 1860’s*, Feb 13 p 525 Dralle, H. E.: Stretch of Steel Rods in Wells, May 15 p 1462 Drill Stand: Hisey-Wolf Radial*, Jan 16 p 239 Drilling Machines: Barnes Front Axle*, June 19 p 1839 Cincinnati Bickford 3-Ft. Radial*, June 5 p 1693 Cincinnati Bickford Master Radial*, May 1 p 1326 Consolidated Boring, Milling and*, Feb 20 p 593 Defiance Cylinder Head*, Jan 30 p Deep 378 Gen-Rad and Hy-Rad*, Mar 13 p 801 Kingsbury, for Cotter Holes*, Jan 30 p 376 Landau Combination Tapping and*, May 22 p 1551 Langelier Five-Way*, Feb 13 p 519; High-Speed Duplex*, May 22 p 1548; Reaming and*, April 10 p 1084 Morse Cobalt Steel, Jan 9 p 160 United States Electrical with Bohn- alite Housings*, Apr 3 p 1012 Driver-Harris Co.: American Rights for New Copper Alloy*, Mar 6 p 727 Drives: Gears & Forgings Two-Speed Mill, Jan 16 p 240 Morton Motor*, Jan 9 p 161 Motor-Driven Rolling Mill Table*, Feb 6 p 437 Westinghouse Double Mill, Apr 10 p 1086 Drum: Welded Alloy Steel, Test Pressure’, June 19 p 1809 DuBrul, Ernest F.: Better Control of Production, Mar 13 p 794 Machine Tool Industry, What Seems to Be Ahead, May 29 p 1617 Duplex Steel Process: German and American Compared, June 12 p 1760 Methods of Control of Slag and of Oxidation, Mar 27 p 925 Duplexing: Iron Castings with Electric Fur- nace*, May 8 p 1372 du Pont de Nemours & Co., E. L: Acquires Roessler & Hasslacher Chemical Co., Apr 17 p 1170 Gear Unit x Dura Co.: Conveyor System*, Apr 10 p 1061 Dust, Flue: Reduction in Blast Furnace Prac- tice, Jan 2 p 39 Dwellings: Home Modernization, June 5 p 1663 Steel for, May 29 p 1609 E Earning Power: Our Unimpaired (Editorial), Jan 9 p 168 Earnings: Bethlehem Steel Corporation, An- nual, Jan 30 p 386; Mar 20 p 875 Metal-Working Industries, Dis- tribution, Seven Years, June 5 p 1688 Steel Companies Show Three-Year Cycle*, Jan 2 p 86 Steel Corporation Annual, Jan 30 p 386; Mar 20 p 871 Eastern States Blast Furnace and Coke Oven Association: Handling Materials and Stack Size Trend Discussed, Mar 6 p 737 Eastern Steel Castings Co.: Conveyor System in Jobbing Foun- dry*, Mar 20 p 853 Eaton Axle & Spring Co.: Bumper Manufacture*, Apr 24 p 1217 Drawn Stampings of Rustless Steel*, June 12 p 1755 Merger with Wilcox-Rich Corpora- tion, Feb 27 p 665 Eaton, C. S.: Director Youngstown Sheet & Tube Co., Apr 24 p 1264 Economic Council: Proposed by President Hoover, May 8 p 1407 Economic Status (Editorial), June 26 p 1914 Economies: Popular and Otherwise (Editorial), Mar 27 p 950 Edelblute Co.. T. H.: Puller Jack*, Feb 13 p 520 Editorials: Accidents, Irreducible Minimum, Apr 17 p 1180 Aluminum, Structural Shapes of, Mar 13 p 813 American Rolling Mill Co. to Manage British Plant, Feb 20 p 600 Atlanta—Advertising a City, Apr 3 p 1027 Automobile Output, Stabilizing, Jan 9 p 170 Automobile Production June 26 p 1916 Automobile Production, Variations in, Feb 6 p 458 Automobiles as a Trade Index, Jan 23 Bethlehem-Youngstown Merger— of Giants, Mar 20 p 882 Building, Campaign to Speed Up, Feb 6 p 456 Building, High Cost of, Feb 27 p 666 Building, Home, Apr 17 p 1179 orb Room for Residential, June 26 Dp 914 iilding Situation, An Anomalous, Jan Consistent, Battle sO p 3&8 B ss Activity—Not Aiming to Build ids, Jan 30 p 388 Gig and Lesser, May 15 p on, Initiative in, Apr e Now a Long Swing Good and Bad —Why Mir ze Signs of Bet- a Sal ne Winnie ty in, Mar ; P Four Years, May 15 p Cal ' of, Feb 13 p 530 JANUARY—JUNE, 1930 Car Loadings Show No Trade Gain, May 29 p 1630 Cars, Freight, in Service, 1926-1929, June 19 p 1847 Cement and Structural Steel, Ratio, 1913-1929, Feb 13 p 530 Census Taking, Apr 24 p 1245 Coal and Power, World’s, May 1 p 1340 Convention Entertainment Abuses, Feb 20 p 598 Copper Prices—Too Apr 24 p 1245 Costs, Novelties at Less Than, Feb 13 p 530 Differentiation, Is the Next Step Toward? Mar 6 p 741 Doctor Points the Way, Feb 6 p 457 Earning Power, Our Unimpaired, Jan 9 p 168 Earning Time, Shortening, May 8 p 1408 Economic Status, June 26 p 1914 Economics, Popular and Otherwise, Mar 27 p 950 Economics, Remarks on Current, Apr 24 p 1245 Efficiency, Opposite Results of, May 15 p 1483 Employment, Will to Stabilize, Apr 24 p 1244 Engineers in Government Service, Apr 17 p 1179 Exports, Finished Steel Predominates, Jan 30 p 389 Foreman a Manager, Mar 13 p 814 Foundry a Robust Institution, May 1 p 1339 Freight Cost Adjustments, New, May 22 p 1560 French Imports of Manganese Ore, May 1 p 1338 Fuel and Water Power, Mar 6 p 742 Income, National, Exaggerated, Jan 9 p 169 Industry’s Dependence on Jan 23 p 322 Industry’s Turning to Government Aid, June 19 p 1847 Instalment Buving in a June 5 p 1702 Instalments, House Repairs on, Apr 10 p 1099 Labor—Short Work, May 22 p 1561 Livine. Still Higher Scales of, May 29 p 1631 Living, Wealth and Habits of, Feb 27 p 667 Machirery and Unemployment, June 26 p 1915 Machinery Industry, Lack of Organiza- tion, Jan 2 p 107 Management—Time for the Question Mark, June 12 p 1772 Marketing—Commercial Man Is in the Saddle, May 1 p 1338 Metal Furniture, Glorifying, May 8 p 1409 Metallurgical Education, Trends, Feb 27 p 667 Metals, Dull Days for Other, Jan 16 p Much Stability, Industry, Depression, Short Buying, Metals, Non-Ferrous, Mar 6 p 740 Metals, Secondary. Apr 10 p 1098 Motor Transport Trends, Feb 13 p 531 News, Reporting, Apr 10 p 1099 Nickel. Romance of, Mar 20 p 883 Over-Production, Cures for, May 8 p 1409 Populism, Feb 20 p 599 Price Declines Incoherent (Commodi- ties), May 22 p 1561 Price Slashes and Business Recovery, Jan 9 p 168 Prices of Farm and Other Products, Jan 9 p 169 Prices, Steel and Profits, May 22 p 1562 Prosperity, Basic Principles of, Jan 30 p 389 Racketeering—Must Chicago Show the Way? Mar 6 p 742 Rails, Heavier and Heavier, Apr 3 p 1028: Apr 10 p 1100 Rails Heavier Are Cheaper, June 12 p 1773 Research Grows Apace, Apr 17 p 1179 Russia, Trouble Ahead for, Feb 13 p 531 Serap, High Price of, Mar 27 p 951 Scrap, International Movements, Apr 24 p 1245 Scrap Steel. Why Has It Declined? June 5 p 1702 Setbacks in Industries and Shares, June 5 p 1703 Silver, Fall of, Apr 3 p 1026 Smaller Plants Hold Their Own, June 19 p 1846 Speculation—More Chance for the Job, Jan 16 p 251 Spending and Saving, Feb 6 p 456 Spending, Individual and Corporate, Jan 16 p 250 Sponge Iron Versus Scrap, Mar 13 p 814 Statistics, Super, Needed, April 17 p 1178 Steel, an Average Year in, Mar 20 p 882 Steel and General Trade, May 8 p 1408 Steel Capacity, Increasing, Jan 16 p 251 Steel Corporation’s Annual Report, Mar 27 p 951 Steel Demands of Metal Consuming In- dustries, Jan 2 p 106 Steel Deserves a Fair Profit, Feb 6 p 457 Steel Distribution Hard to Follow, Mar 13 p 812 Steel, Finished, Tonnage 1929, June 12 p 1774 Steel Industry—What of 1930? Jan 2 p 106 Steel, New Uses for, May 15 p 1482 Steel Output Almost Normal, Apr 24 p 1245; May 1 p 1338 Steel Production Will Be Steady, Jan 2 p 107 Steel Profits Per Ton, Apr 3 p 1027 Steel, Steadiness in, Feb 20 p 598 Steel, Structural, Large Growth, Jan 23 p 323 oust Growth, Size Helps, Feb 20 p 598 Stock Market Returns, Mar 13 p 813 Tariff Aspects, June 12 p 1772 Tariff. Metal Duties Stay, June 19 p 1846 Thrift Again Has Its Day, May 22 p 1560 Trade Nearly Normal, Feb 27 p 666 Tunesten Carbide Tool Developments, Mar 6 p 740 Unemployment, Appearances as to, Apr 17 p 1178 Unemployment, Greater Study Needed, Apr 10 p 1098 Unemployment, Myth of Technologi- cal, June 12 p 1773 Unfilled Tonnage Barometer, May 15 p 1483 Wages, American, and June 5 p 1703 Warner & Swasey Co. 50th Anniver- sary, May 29 p 1631 Welded Drums for Super-Power, May 1 p 13839 Wheat Market, Playing the, Mar 20 p 884 Welding Applications, Jan 23 p 322 “Comforts, Education: And Training for Industry, Jan 9 p 170 Efficiency : Opposite Results of May 15 p 1483 Egan, H.: Paint Coatings and Strength of Riveted Joints, Mar 27 p 917 Eichenberg, G.: Correlation of Blast Furnace Out- put with Diameter, June 12 p 1740 Ejector: Watson-Stillman Hydraulic Cross- Head Pin*, June 19 p 1839 Elco Tool & Screw Corporation: Screw Manufacture*, May 8 p 1377 Electric Eye: General Electric for Controlling Light*, May 1 p 1328 Westinghouse, for Determining Temperature or Illumination*, Apr 24 p 1231 Electric Hoist Manufacturers Asso- ciation: Officers, Apr 10 p 1091 Electric Storage Battery Co.: Battery for Trucks*, May 8 p 1392 Electrode: Lincoln Welding, for Thin Sheet, June 5 p 1701 Electrolene: As a Hydrogen Substitute, Apr 17 p 1170 Electroplate: Should Be Chosen According to Ser- vice Required, June 5 p 1680 Electroplating: Progress in*, Jan 2 p 49 Elgin, Joliet & Eastern Railroad: Sued by Government, June 26 p 1933 (Editorial), Elhero Watch Co.: Stainless Steel Watches*, May 15 p 1461 Elwell-Parker Electric Co.: Lift Trucks, Side-Dump and End- Dump*, Feb 13 p 519 Endicott, DeWitt: Artistry in Metal*, May 29 p 1591 Engineer: In Government Service (Editorial), Apr 17 p 1179 What He Has Yet to Do, May 8 p 1379 Why Government Needs the, Apr 17 p 1171 Engineering Congress: World*, Jan 16 p 223; Jan 23 p 298 Engineering Council: (See ee Engineering Coun- cil) Engineering Graduates: Code for Employment of, Apr 10 p 1078 Training Course in Westinghouse Plant*, June 12 p 1741 Engineering Inspection Association: (See National Engineering Inspec- tion Association) Engines: Packard Diesel, for Aircraft, May 1 p 1336 Engraving Machine: Simplex*, June 12 p 1761 Entertainment: Lavish, at Conventions Condemned, Feb 6 p 480; (Editorial), Feb 20 p 598 Equilibrium Diagram: For Iron-Silicon*, May 8 p 1385 Estate Stove Co.: Conveyor-Type Enameling nace*, Mar 27 p 946 Etching: Deep, Test of Brass, June 12 p 1745 Evans, Dr., Ulick: Reproducibility in Corrosion Work, June 12 p 1754 Exhibitions: American Foundrymen’s Associa- tion, Exhibitors, May 1 p 1313 American Foundrymen’s Associa- tion, New Equipment*, May 1 p 1299; May 8 p 1392; May 22 p 1540 Leipzig Fair, May 29 p 1618 Exports: American and European Practice, Feb 20 p 584 Automotive Products, Value, 1929, Feb 20 p 597 Copper, 1929, Feb 13 p 558 Farm Implements, First Quarter, May 8 p 1436 Finished Steel Predominates (Edi- torial), J