Opening Pages
Semi-Annual Index of “ Md Ty hot J Y Op Wf SSNS N s January-June, 1931 VOL. CXXVII THE IRON AGE PUBLISHING CO. 239 West 39th Street NEW YORK A Abbott, Charles F.: Stabilized Production, June 4 p 1843 Steel House Construction, Mar 19 p 981D Urges Cooperation Between Busi- ness Papers and Trade Associa- tions, May 7 p 1532 Accidents: Iron and Steel Plants, 1929, Apr 30 p 1497 Open-Hearth Employees Have Most Fatalities, Mar 12 p 859 Acorn Nut Co.: One-Piece Nuts*, May 14 p 1605 Adams Co.: Universal Molding Machine*, Jan 15 p 250 Advertising: Industrial, Prizes Awarded for Best, June 25 p 2068 Aetna-Standard Engineering Co.: Acquires Push-Bench Process for Making Seamless Tubes, May 21 p 1692 Roller Leveler with Anti-Friction Bearings*, Mar 12 p 877 Sheet Leveling Machine*, Apr 16 p 1284 Tube Cutting-Off Machine*, June 25 p 2058 Aircraft: Airplane Manufacture, 1930, Jan 29 p 405 Autogyro”, Jan 22 p 357B Dirigible “Akron,” Jan 22 p 357D; Mar 26 p 1055; Apr 9 p 1213 Dirigible, Metal Clad, to Be Built for Army, Feb 12 p 602 Growth in Airplane Transportation, Jan 1 p 16 Hangars Large Potential Market for Steel*, Jan 15 p 244 Marrill Safety Airplane*, Feb 19 p 662 Metal Airplanes Adapted to…
Semi-Annual Index of “ Md Ty hot J Y Op Wf SSNS N s January-June, 1931 VOL. CXXVII THE IRON AGE PUBLISHING CO. 239 West 39th Street NEW YORK A Abbott, Charles F.: Stabilized Production, June 4 p 1843 Steel House Construction, Mar 19 p 981D Urges Cooperation Between Busi- ness Papers and Trade Associa- tions, May 7 p 1532 Accidents: Iron and Steel Plants, 1929, Apr 30 p 1497 Open-Hearth Employees Have Most Fatalities, Mar 12 p 859 Acorn Nut Co.: One-Piece Nuts*, May 14 p 1605 Adams Co.: Universal Molding Machine*, Jan 15 p 250 Advertising: Industrial, Prizes Awarded for Best, June 25 p 2068 Aetna-Standard Engineering Co.: Acquires Push-Bench Process for Making Seamless Tubes, May 21 p 1692 Roller Leveler with Anti-Friction Bearings*, Mar 12 p 877 Sheet Leveling Machine*, Apr 16 p 1284 Tube Cutting-Off Machine*, June 25 p 2058 Aircraft: Airplane Manufacture, 1930, Jan 29 p 405 Autogyro”, Jan 22 p 357B Dirigible “Akron,” Jan 22 p 357D; Mar 26 p 1055; Apr 9 p 1213 Dirigible, Metal Clad, to Be Built for Army, Feb 12 p 602 Growth in Airplane Transportation, Jan 1 p 16 Hangars Large Potential Market for Steel*, Jan 15 p 244 Marrill Safety Airplane*, Feb 19 p 662 Metal Airplanes Adapted to Mass Production, Apr 16 p 132 Monoplane, Small, for Navy*, Feb 12 p 603 Serap Yard for*, Jan 1 p 128 Sheet Metal Parts, Contracting for*, Mar 12 p 855 Speed Record of Commercial Air- plane*, May 7 p 1544A Steel Wing Beams, Development of*, Feb 26 p 706 Airplanes: (See Aircraft) Ajax Metal Co.: Organizes Two Subsidiaries, Feb 26 p 752 Allegheny Steel Co.: Changes Nomenclature of Rustless _ Steels, Apr 9 p 1240 Alexander, M. W.: Wage Reductions as a Means to Stimulate Sales, Apr 23 p 1381 Algoma Steel Corpn.: New Rail Mill*, Apr 23 p 1342 INDEX Illustrated Articles Indicated by * Allis-Chalmers Mfg. Co.: Buys American Brown-Boveri Co., June 18 p 1998 Alloy Irons: Development and _ Applications*, Feb 5 p 449 Alloy Steel: (Also See Steel) Chrome Nickel Exhibit*, June 25 p 2072 Copper Steel for Dynamo and Transformer Sheets, Apr 16 p 1253 Development and Applications™, Feb 5 p 449 Durco Nirosta, Feb 12 p 577 Durimet, Feb 12 p 577 For High-Temperature Service’, Apr 2 p 1090 For Lining Pressure Vessels*, Apr 23 p 1356 High-Speed, Influence of Nickel and Manganese on Properties, Apr 16 p 1278 In Racing Car Bluebird*, Apr 16 p 1280 Ingots, Heterogeneity by Harmet Process*, Jan 15 p 246 Nickeladium Al 20, Al 30, Al 40, Apr 16 p 1292 Production and Consumption, 1930, Jan 1 p 10 Sicromal, German Heat-Resisting, Jan 22 p 366; Mar 12 p 914 Tribute to (Editorial), Mar 19 p 952 Alloys: Aluminum, in Textile Machinery, Feb 26 p 689 Benit, German Aluminum-Tung- sten, Jan 8 p 218; May 7 p 1567 Cop-O-Lead, Jan 29 p 437C Copper and Phosphorus, Rolling of, June 4 p 1818 For Gray Iron Castings, New, June 4 p 1847A Hipernik, May 28 p 1771 Iron Aluminum, Resistance to Oxi- dation, May 7 p 1507 Iron-Carbon-Aluminum, Apr 9 p 1149 Iron, Long Time Tests for Creep, Feb 19 p 666 Nickel-Barium for Spark Gaps, May 21 p 1672 Perm-Brite, Aluminum, June 4 p 1847A Oilite Bearing Metal*, May 7 p 1528 Zine, in Automobiles*, Feb 19 p 623 Zirconium, in Steel Making, June 11 p 1895 Zirconium, Manganese and Silicon, June 4 p 1847A Allsteel Press Co.: Organized, Mar 12 p 898 Aluminum: For Transmission Lines in Ger- many, Mar 19 p 936 High Grade, Recovered from Serap*, June 25 p 2048 Manufacture in India*, Mar 5 p 832 ili Used in Building Cruiser, Feb 19 p 611 Aluminum Co. of America: Aluminum Alloy Plates for Empire State Building Tower*, Feb 12 p 553 Aluminum Steel: Resistance to Oxidation, May 7 p 1507 Ambold Machine Tool Corpn.: August-Thyssen Sheet Separator’, May 14 p 1601 American Alloy Co.: Organized to Make Special Wires and Dies, May 21 p 1714 American Brown-Boveri Co.: Acquired by Allis-Chalmers Mfg. Co., June 18 p 1998 American Car & Foundry Co.: One-Electrode Bar and Rod Heater*, Feb 12 p 559 American Fork & Hoe Co.: Employment in Dull Times*, May 14 p 1582 American Gear Manufacturers’ Asso- ciation: Convention Proceedings, May 14 p 1608 American Institute of Mining and Metallurgical Engineers Convention Proceedings, Feb 26 p 711 American Institute of Steel Construc- tion: Awards for Most Beautiful Bridges, June 18 p 1994 Awards for Bridge Designs, May 14 p 1647 Steel Road Guard*, May 14 p 1646 American Iron and Steel Institute: Directors, May 7 p 1544-D Iron and Steel Capacities, 1930, Apr 9 p 1214D Pig Iron Production, 1930, Apr 2 p 1104 Rail Production, 1929, Jan 15 p 288; 1930, Apr 9 p 1214A Rolled Steel Production, 1930, May 7 pp 1548, 1567 Spring Meeting Proceedings, May 28 p 1763 Steel Castings Capacity, 1930, Apr 23 p 1378 Steel Ingot Production by Months, December and Year*, p 210; January, p 561; February, p 915; March, p 1214C; April, p 1614; May, p 1925 Steel Ingots and Castings, Produc- tion 1930, May 7 p 1567 Trackwork Shipments, December, p 357D; January, p 637; Febru- ary, p 981D; March, p 1298; April, p 1798; May, p 2004 American Machinery and Tools Insti- tute: Machine Shop Course, May 7 p 153 Organized, Feb 19 p 665 iv American Management Association: Insurance Conference, May 7 p 1540 Personnel Conference, Feb 5 p 524 American Nickeloid Co.: Plated Zinc Sheets for Decoration’, Mar 19 p 942 American Oxycop Co.: Gas Cutting Machine*, Apr 23 p 1370 American Road Builders’ Association: Road Building Programs for 1931*, Jan 1 p 24 American Rolling Mill Co.: Galvanized Sheet Extras, New, May 21 p 1692 Metal Cribbing*, Apr 2 p 1113D New Base Prices for Sheets, Apr 30 p 1468, (Editorial) p 1475; May 14 p 1621; May 21 p 1711 New Nomenclature for Sheets and Price Differentials, Apr 23 p 1386 Organizes Spiral Welded Pipe De- partment, Feb 19 p 658 Research a Major Function*, May 28 p 1736; June 4 p 1810 Spiral Welded Pipe*, June 4 p 1839 American Safety Razor Corpn.: Automatic Cleaning, Plating and Drying Equipment*, Feb 26 p 716 American Seating Co.: Colored Porcelain Enamel Black- boards*, Feb 26 p 696 American Sheet & Tin Plate Co.: Handling Thin Sheet Scrap*, Apr 9 p 1158 New Width and Length Extras on Galvanized Sheets, Feb 19 p 666 Sheet Tin Containers for Mailing Cuts, May 14 p 1610 American Society for Steel Treating: Group Meetings, Apr 23 p 1377; May 21 p 1691B Joint Meeting on Non-Destructive Testing, Mar 26 p 1061 New Jersey Chapter Educational Course, Apr 16 p 1298 American Society for Testing Mate- rials: Annual Meeting, June 25 p 2098 Galvanized Wire Specifications, Feb 12 p 601 Group Meeting, Mar 26 p 1053 Meeting of New York Chapter, Mar 12 p 916 Metropolitan District Committee of New York Organized, Mar 26 p 1064 Program of Symposium on Mal- leable Castings, May 28 p 1764 American Society of Mechanical En- gineers: Machine Shop Practice Meeting, June 11 p 1920 Officers Nominated, Apr 30 p 1458 Plans European Tour, Feb 19 p 676 Semi-Annual Meeting, Apr 23 p 1383; Apr 30 p 1458 Session on Foremen Training, June 4 p 1848 Special Research Committees, June 11 p 1951 American Standards Association: Electric Welding Apparatus Com- mittee, May 14 p 1618 To Develop Leather Belting Speci- fications, Mar 12 p 918 JANUARY—JUNE, 1931 American Supply and Machinery Manufacturers’ Association: Convention Proceedings, Apr 30 p 1476; May 7 p 1544B American Steel and Heavy Hardware Association: Changes Name to American Steel Warehouse Association, May 28 p 1757 American Steel Warehouse Associa- tion: New Name of American Steel and Heavy Hardware Association, May 28 p 1757 American Welding Society: Annual Meeting, Apr 30 p 1462 Joint Meeting on Non-Destructive Testing, Mar 26 p 1061 American Zinc Institute: Convention Proceedings, Apr 30 p 1494 Amplex Mfg. Co.: Oilite Bearing Metal*, May 7 p 1528 Andrus, O. E.: Making Pressure Vessels Corrosion Proof*, Apr. 23 p 1356 Annealing: (See Heat Treating) Anti-Trust Laws: Amendment Asked by Mill Supply Association, Apr 30 p 1476 No Effective Substitute for, Apr 23 p 13880 Apex Smelting Co.: Perm-Brite, Aluminum Alloy, June 4p 1847A Apollo Steel Co.: Continuous Heat Treating Sheet Furnaces*, Mar 5 p 776 Apprentices: Training in Hard Times, June 4 p 1803; June 18 p 1957 Arbitration: Commercial, Minimizing Business Losses Through, Mar 12 p 852 Archbutt and Prytherch: Effect of Antimony and Arsenic on Rolling Copper, June 4 p 1815 Architectural League Show: Exhibition of Aluminum, Steel and Glass Dwelling*, Apr 23 p 1378 Argentina: Tin Deposits, Apr 16 p 1322 Armstrong-Bray & Co.: Steelgrip Wheel Puller*. Feb 5 p 486 Armstrong, T. N.: Overcoming Open-Hearth Operating Troubles, Mar 12 p 864 Armstrong, T. O.: Overhead Conveyors in Electric Fan Manufacturing Plant*, Feb 12 p 541 Reducing Losses by Disposition of Surplus Stocks*, June 18 p 1985 Ashdown, Herbert H.: Large Steel Ingots for Forging’, June 11 p 1888 Associated Machine Tool Dealers: Semi-Annual Meeting, June 11 p Association of Iron and Steel Elec- trical Engineers: Cleveland Meeting, June 25 p 2064 Atlas Steel Casting Co.: Diving Bell*, Jan 15 p 242 Attwood, Harold: Foreman’s Job in Slack Times, Jan 22 p 306 Aurora Metal Co.: Die Castings of Aluminum Bronze, Jan 29 p 405 Automatic Temperature Control Co.: Plug Valve for Fuel Oil Supply*, May 21 p 1682 Automobiles: 1903 Cadillac Model*, Feb 12 p 584 Alloy Steels in Bluebird Racing Car*, Apr 16 p 1280 Automatic Parking Machine for*, June 25 p 2052 Junking in 1930, Apr 9 p 1242 Loading into a Vessel’s Hold*, Mar 12 p 919 Material Control in Peerless Plant*, Feb 12 p 535; Feb 19 p 613 Obsolescence in 1930, Jan 8 p 206 Outlook for Industry, Jan 1 p 12 Pierce-Arrow, Rustless Steel Wheel, Jan 22 p 857A Production by Months, November, p 204; December and Year, pp 437A, 515; January, p 742; February, p 1046; March, p 1495; April, p 1799; May, p 1926 Production Prospects, (Editorial), Mar 5 p 797 Proportion of Steel Made for (Edi- torial), May 7 p 1553 Steel, Importance in, Apr 16 p 1294 Steel Racing Car*, Feb 5 p 512 Zine and Zine Alloys in*, Feb 19 p 622 B Babcock & Wilcox Co.: Segmental Crucibles for Induction Furnaces, Apr 2 p 1106 Welded Drums, Feb 5 p 455 Back Stop: Landahl Life-Time*, Apr 30 p 1452 Backus and Knerr: Steel Wing Beams for Aircraft*, Feb 26 p 706 Bacon, Prof. Frederic: Fatigue Stresses in Rolling Mill Rolls, Apr 30 p 1436 Bailey Meter Co.: Automatic Ratio Control for Mixing Gases*, Jan 22 p 330 Baker Brothers, Inc.: Pipe Facing and Threading Ma- chine*, June 11 p 1915 Balabanov, V.: Open-Hearth Port Design*, Apr 16 p 1254 Balancing Equipment: Portable for Investigating Vibra- tions*, Feb 5 p 452 Baldwin Locomotive Works: Acquires Cramp-Morris Industrials, Inc., May 21 p 1692 Ball Burnishing Barrel: National Ideal*, Jan 15 p 250 Baltimore & Ohio Railroad: All-Welded Hopper Car*, Apr 16 p 1279 Bar Bar 46] Batt Bea A Bea: Bea B: Bi Ex Re Re St Beck Beda Behr Beitt Sp Bell Ma Bend Co Benit Al Bank Debits: Still Falling (Editorial), Jan 22 p 332 Bar Machine: New Britain-Gridley Automatic Single-Spindle*, Apr 23 p 1368 Barba, C. E.: Railroads Must Look to Metallurgy for Economies, Apr 23 p 1392 Barber-Colman Co.: Indicator Finger*, Apr 16 p 1285 Bardons & Oliver: Cutting-Off Machine with Hydraulic Feed*, May 28 p 1753 Turret Lathe for Tungsten-Carbide Tool Use*, May 7 p 1529 Barges: Steel nee, 1930, Feb 5 p 489 Barnes Corpn., John S.: Automatic Hydraulic Lathe*, May 7 p 1526 Baron, L. A.: Material Control in Peerless Motor Plant*, Feb 12 p 533; Feb 19 p 613 Bartlett & Snow Co., C. O.: Conveyor Idlers with Timken Roller Bearings*, Apr 9 p 1208 Baruch, Bernard M.: “Frozen” Prices as a War Policy, May 21 p 1692; May 28 p 1762 Battelle Memorial Institute: To Study Arsenical and Argentifer- ous Lake Copper, Feb 19 p 677 Beacon: Airplane*, Feb 12 p 600 Bearing Metal: Amplex Oilite*, May 7 p 1528 Bearings: Ball and Roller in Construction Equipment, June 4 p 1832 Bronze, Hard Low-Friction, Mar 19 p 989 Eccentric, Manufacture in Thomp- son Plant*, Feb 12 p 552 Roller, Electric Heat Treating of*, Jan 8 p 172 Roller, Tyson Cageless Apr 23 p 1369 Standard SRB Ball*, May 14 p 1604 Becket, Dr. F. M.: Rustless Steels—Fabrication Use, June 11 p 1911 Bedaux Co., Charles E.: Wage Cut Survey, June 18 p 1998 Behr-Manning Corpn.: Acquired by Norton Co., June 18 p 1997 Beitter, F.: Spray Coatings for Ingot Apr 16 p 1273 Bell & Howard Co.: Maintaining Precision Through Close Inspection*, Mar 26 p 998 Tapered*, and Molds, Bendix Stromberg Carburetor Co.: Conveyorized Foundry*, Apr 16 p 1258 Benit: Aluminum-Tungsten Alloy, New 1567 German, Jan 8 p 218; May 7 >a JANUARY—JUNE, 1931 Bethlehem Steel Co.: 230-Ton Steel Casting*, Feb 19 p 636 Annealing Furnace for Carbon and Alloy Steel Bars, Jan 1 p 55 Closes Coatesville Mill, Jan 29 p 437C Machining 230-Ton Steel Casting*, Mar 19 p 934 Manufacture of Steel Railroad Ties*, Apr 30 p 1438 Bethlehem Steel Corpn.: Acquires Eastern Steel Co. Plant, Apr 30 p 1468; May 21 p 1690 Acquires Hay Foundry & Iron Works, Levering & Garrigues Co. and Hedden Iron Construc- tion Co., Apr 30 p 1489; May 7 p 1541 Acquires McClintic-Marshall Co., Feb 12 p 583 Annual Meeting, Apr 16 p 1299 Annual Report, Apr 2 p 1112; Quar- terly Reports, Feb 5 p 525; May 7 p 1540 Bonuses, Charles M. Schwab De- fends, Jan 22 p 357; Mar 5 p 814 Bonuses, Stockholder Assails, Mar 12 p 904 Bonuses, Stockholders’ Committee Asks Proxies Against Plan, Mar 26 p 1062; Apr 2 p 1113D Employee Stock Ownership Plan, Feb 5 p 506 To Appeal Sheet and Tube Merger, Jan 29 p 427 Bethlehem-Youngstown Merger: Enjoined, Jan 1 p 128; (Editorial) Jan 8 p 184 Betterley, P. D.: Use and Occupancy Insurance, May 7 p 1540 Bigelow, C. G.: Soviet Government’s Siberian Steel Program*, June 25 p 2038 Bignall & Keeler Machine Works: Die Head, Pipe Threading*, Jan 22 p 329 Bins: Simplex, in Sections, Feb 12 p 557 Birdsboro Steel Foundry & Machine Co.: 900-Ton Press Rack Driven from Motor*, Mar 19 p 945 Birkin, R. G.: Sheet-Metal Handling*, Mar 12 p 849 Black & Decker Mfg. Co.: Baking in Conveyor Ovens*, Mar 12 p 873 Blackboards: Colored Porcelain Enamel*, Feb 26 p 696 Blackburn, L. A.: Controlling Factors’ in Tool Obsolescence, 479 Blackhall, F. S., Jr.: Gages, Application in Interchange- able Manufacture, June 11 p 1922 Blake, William P.: “Slow Draw” Motion Crank Press*, Apr 16 p 1251 Machine Feb 5 p . Blanchard, E. V.: Electric Heat Treating of Roller Bearings*, Jan 8 p 172 Blanchard Machine Co.: Two-Wheel Surface Grinder*, Mar 26 p 1022 Blanck, Alexander P.: Minimizing Business Losses Through Commercial Arbitra- tion, Mar 12 p 852 Blau, Ernst: Light Metals in Textile Machinery, Feb 26 p 689 Blaw-Knox Co.: Annual Report, Feb 19 p 660 Factors That Built Good Business in 1930, Jan 15 p 227 Bliss Co., E. W.: Drum Corrugating Machine*, May 14 p 1602 Metal Box Trimmer*, Jan 22 p 328 Power Press with Magnetic Clutch*, May 21 p 1678 Presses, Redesigned Single-Crank*, June 11 p 1913 “Slow Draw” Motion Crank Press*, Apr 16 p 1251 Blowpipe: Linde for Aircraft Welding*, Apr 16 p 1290 Linde Medium-Pressure Welding’, June 25 p 2062 Boilers: Embrittlement in Steel, Jan 29 p 382 Book Reviews: 50th Anniversary of Genie Civil, Apr 2 » 1093 Application of Heat to Core Baking, Jan 22 p 330 Automobile Industry, Facts and Fig- ures, June 4 p 1828 Blue Book of Southern Progress, June 25 p 2102 Bureau of Standards Year Book, 1931, Apr 30 p 1431 Data on Steel Barrels and Drums, May 28 p 1761 Electric Arc Welding, June 25 p 2102 Handbook on Industrial Machinery, 1930, Mar 12 p 918 Index to Iron and Steel Plants, June 25 p. 2102 Industrial Research Laboratories of United States, Mar 5 p 780 Ingenious Mechanisms for Designers and Inventors. June 25 p 2101 Leather Belting, Treatise on, June 25 p 2102 Statistical Abstract of June 11 p 1934 Statistics of Iron and Steel Industries, Jan 22 p 357B Steel Corpn. Rustless Alloy Steels, June ll p 1919 Virginia Iron Era, June 25 p 2101 Wire Association’s Year Book, Apr 23 p. 1354 United States, Manufacture in Slave Nut and Rivet Manufacturers’ Association: Government Dissolves, Mar 19 p 981, (Editorial) p 952 Bolts and Nuts: Imported, Factor in Market, Mar 26 p 1055 Bondy, Otto: Structural Steel Welding in Ger- many*, Apr 2 p 1074 Bolt, Bonuses: Bethlehem, Charles M. Schwab De- fends, Jan 22 p 356; Mar 5 p 814 Stockholder Assails Bethlehem Sys- tem, Mar 12 p 904 Stockholders’ Committee Asks Proxies Against Bethlehem Plan, Mar 26 p 1062; Apr 2 p 1113D Bore-Matic: Heald Four-Spindle*, Apr 30 p 1450 vi Boring Machines: Defiance Four-Way Facing and’*, Jan 15 p 249 Ex-Cell-O Semi-Automatic Turning and*, Mar 12 p 875 Giddings & Lewis Two- Spindle Drilling, Milling and*, June 4 p 1835 Kellocator Jig*, Apr 16 p 1281 Reed-Prentice Special Jig*, June 11 p 1915 Stamets Double-End*, Jan 8 p 178 Swiss Jig, MP-3C*, Jan 15 p 253 Universal Large Horizontal*, Feb 12 p 555 Borings: Briquetting Cast Iron*, Apr 2 p 1097 Boston and Oxford: Performance of Cutting Fluids, June 11 p 1920 Bower Roller Bearing Co.: Electric Heat Treating of Roller Bearings*, Jan 8 p 172 Bowers, Glenn A.: Lessons from Europe’s Unemploy- ment, June 25 p 2031 Brake: Watson-Stillman Plate Bending and Forming Hydraulic*, June 25 p 2059 Brandt, E. C.: Relation of Equipment Layout to Overhead Costs, June 11 p 1924 Bray, J. B.: Portable Belt Conveyors, Apr 23 p 1382B Breaker: Clark Strip Steel Tube Stock*, Jan 15 p 249 Bridgeman and Huckert: Annealing Chilled - Tread Car Wheels, Mar 5 p 787 Bridges: Awards for Best Design, May 14 p 1647 Awards for Most Beautiful, June 18 p 1994 Golden Gate to Be Longer Than Hudson River*, June 18 p 1979 Hudson River, Wire Cable Require- ments*, Mar 5 p 837 Hudson River, World’s Largest’, Jan 22 p 357 Japan’s Longest Railroad*, Apr 23 p 1413 Montreal, Use of Silicon Steel in, Apr 9 p 1153 Briggs and Gezelius: Radiography in the Foundry, June 25 p 2041 Briquetting: Cast Iron Borings and Steel Turn- ings*, Apr 2 p 1097 Bristol Co.: System for Uniform Temperatures in Hot Blast Stoves*, Apr 30 p 1444 Bristol, Howard H.: Automatic Temperature Control’, Feb 12 p 539 British Steel Export Association: Plans to Divert Canadian Steel Busi- ness Partly to England, May 14 p 1618 JANUARY—JUNE, 1931 Brittleness: Tension Testing Measure of*. Feb 26 p 692 Bronze: Beryllium, Effect of Cold Work on, Feb 19 p 678 Brookfield, W. B.: Oil-Hardening Die Steel, Feb 19 p 642 Brown & Sharpe Mfg. Co.: Gage, Small Depth*, Apr 23 p 1367 Miller for Long and Short Run Work*, Apr 2 p 1105 Rotary Geared Pump No. 55*, Apr 2 p 1105 Brown Instrument Co.: Potentiometer Pyrometer, New*, June 25 p 2057 Brownell, Francis H.: Stabilization of Silver Without Legislation, Mar 19 p 981D Bryant, E. J.: Gages, Application in Interchange- able Manufacture, June 11 p 1922 Buckingham, Earle: Strength and Durability of Spur Gear Teeth, May 28 p 1742 Bucyrus-Erie Co.: To Make Loadmaster Crane, Apr 16 p 1299 Budd Wheel Co.: Rustless Steel Cover for Wire Wheel Spokes*, Apr 16 p 1319 Budgets: Control to Meet Changing Business Conditions, Feb 26 p 698 Buffalo Forge Co.: Straightening Machine for Heavy Work*, May 7 p 1526 Buffalo Tank Corpn.: Tank, Large Welded*, Mar 26 p 997 Building: (Also See Construction) Contracts, December, p 437C; Feb- ruary, p 967; March, p 1374; April, p 1618; May, p 1994 Outlook for 1931*, Jan 1 p 18 Buildings: All-Metal and Windowless*, Jan 15 p 234 Buckingham, Steel and Concrete in Conibination Framing, Jan 15 p 233 Steel, Walls without Masonry*, Mar 26 p 1054 World’s Fair Administration, Travel and Transport*, Apr 16 p 1292 Bullard Co.: 50th Anniversary*, Feb 5 p 482 Deferred Payment Plan for Ma- chine Tools, Jan 8 p 213 Bulldozers: Steelweld*, Mar 26 p 1021 Bullock, Charles J.: Business Depression, Feb 19 p 677 Bunting Brass & Bronze Co.: Hard, Low-Friction Bronze Bear- ings, Mar 19 p 989 Lead Hammer, Feb 5 p 484 Bureau of Standards: 30th Anniversary, Mar 19 p 984 Medium Manganese Steel Standard Sample, Apr 9 p 1210 Burt, Clayton R.: Looks for Pronounced Improvement in Business, Jan 15 p 227 Bushing: National Rotating Jig*, Jan 15 p 249 Business: Causes of Economic Depression (Editorial), Jan 15 p 256 Deflation, Feeding the Flames of (Editorial), June 18 p 2006 Depression, Bottom Reached in De- cember*, Mar 26 p 1063 Depression Ills, Time the Great Healer, Jan 22 p 293 Depression—More Foresight, Less Hindsight (Editorial), June 18 p 2006 Depression—New Stage of (Edi- torial, June 25 p 2076 Depression, Post-War Activity and (Editorial), May 28 p 1779 Depression, Profitable Policies, Mar 19 p 922 Factors That Built Good in 1930, Jan 15 p 224 Forecast, Harking Back to a No- vember, June 11 p 1923B Halt in Upward Growth, Jan 1 p 56 Hard Times Breed Economic Folly (Editorial), Feb 12 p 562 Humanity During Depression, Mar 5 p 798 It Is Time to Saw Wood (Edi- torial), Feb 5 p 492 Let’s Go Back to Arithmetic, June 11 p 1884 Losses, Minimizing Through Com- mercial Arbitration, Mar 12 p 852 Maladjustments and Competition (Editorial), Mar 26 p 1026 Money Rates, Influence of (Edi- torial), Jan 15 p 257 Recession, Observing the End of (Editorial), Feb 12 p 563 Recovery, Measuring Time for (Edi- torial), Jan 15 p 256 Still Not Enough Facing of Facts (Editorial), Jan 29 p 413 Stock Market as an Indicator of (Editorial), Apr 16 p 1304 Theory and Practice in Depression (Editorial), Feb 26 p 720 Turning Points, Quest for (EKdi- torial), Jan 22 p 332 Wages and Depression, Apr 9 p 1224 Wanted: Uncolored Facts (Edi- torial), Jan 22 p 333 What Has Depression Taught? Feb 19 p 667 What Led to the Depression? (Edi- torial), Apr 9 p 1223 Volume Shrinkage Equably Dis- tributed (Editorial), Jan 29 p 414 Buttfield, W. J.: Wage Differences Must Be Ad- justed, May 14 p 1621 Buying: Dividends as Factor in, Jan 8 p 170 Equipment, Better Policies Needed, June 11 p 1923A Byers Co., A. M.: 900-Ton Press, Rack Driven from Motor*, Mar 19 p 945 Wrought Iron Welding Elbows, June 25 p 2061 Ca Ca Ca} Cal Cal Car C Cable: Lead Covered Telephone, Manufac- ture of*, June 18 p 1980 Camden Forge Co.: Nitriding Practice, Apr 2 p 1080 Canada: Algoma Steel Corpn.’s Mill*, Apr 23 p 1342 Automobile Production, November, p 204; December and Year, p 437A; January, p 742; Febru- ary, p 1046; March, p 1495; _ April, p 1799 Pig Iron and Steel Production, De- cember and Year, pp_ 507, 1214A; January, p 742; March, p 1541; April, p 1947 Plan to Divert Steel Business Part- ly to England, May 14 p 1618 Sheets for Tinning Admitted Free, Mar 19 p 972 Tariff Increases, June 4 p June 11 p 1923B Tariff on Tin Plate, Apr 9 p 1242 Canadian Steel Foundries, Ltd.: Sand Handling*, May 14 p 1597 Candy, A. M.: Modern Applications of Are Weld- ing, Apr 9 p 1204 New Rail 1849; Capacity: By-Product Coke, 1930, Feb 5 p Excess, of the Individual torial), June 18 p 2007 Pig Iron, 1930, Apr 9 p 1214D Sheet Rolling, May 7 p 1545 Steel Castings, 1930, Apr 23 p 1378 Steel Ingot, 1930, Apr 9 p 1214 D; (Editorial), Apr 23 p 1391 Steel Ingot, Engagement of, 1909- 1930 (Editorial), Jan 22 p 333 Steel Producing, by Districts*, Jan 1 p 94 Capital: Less Flow Abroad (Editorial), Jan 29 p 412 Capp, J. A.: Electrical Industry as Consumer of Metals, Apr 2 p 1101 Carburizers: Status of Solid, Mar 26 p 1009 Carburizing: Hevi Duty Electric June 25 p 2053 Liquid, Two Processes*, 1338 Cardullo, Forrest E.: Future Development of Machine Tools—Effect of Tungsten Car- bide, Jan 8 p 154 Carius, C.: Corrosion of Copper Steel, Feb 5 p 5O7 ofl (Edi- Furnace for’, Apr 23 p Car Loadings: Trend (Editorial), May 21 p 1696 Cars: Baltimore & Ohio All-Welded Hop- per*, Apr 16 p 1279 Differential Self-Propelled June 11 p 1928 Freight, Installations 1930, Feb 5 p 488 Freight, Types Needed (Editorial), Feb 12 p 564 German Aluminum Alloy*, Apr 16 p 1298 Dump”*, JANUARY—JUNE, 1931 German Propeller-Driven*, June 11 p 1954 Street, All-Welded Steel for Han- dling Refuse*, Feb 12 p 599 Cartels: European, Fail in Objectives, Mar 5 p 835 Car Wheels: Annealing Chilled-Tread, Mar 5 p 787 Casting: Bronze Propeller for Empress of Britain*, June 4 p 1849 Guns by Centrifugal Process, June 4 p 1816 ; Metals, Volume and Density in, Feb 5 p 490 Castings, Iron: Influence of Molybdenum and Nickel on, June 11 p 1901 Influence of Nickel and Vanadium on, Mar 26 p 1028 Orders, December, p 427; January, p 832; February, p_ 1113; March, p 1545; April, p 1847B Strength at High Temperatures, Apr 23 p 1359 Castings, Malleable: Orders, November, p 218; Decem- ber, p 437A; January, p 824; February, p 1113D; March, p 1466; April, p 1771 Castings, Non-Ferrous: Good at Low Cost Discussed, Feb 12 p 599 Castings, Steel: 5500-lb., Diving Bell Made from’, Jan 15 p 242 Bethlehem 230-Ton*, Feb 19 p 636 Capacity, 1930, Apr 23 p 1378 Census of Production and Value, 1929, Feb 5 p 489 Deoxidation and Mold Conditions in Making*, May 28 p 1732 Machining 230-Ton*, Mar 19 p 934 Massive, Made with Cores*, Apr 30 p 1416 Non-Destructive Testing with Gam- ma Rays*, May 21 p 1651 Production, 1930, May 7 p 1567 Production and Orders, November, p 212; December and Year, p 489; January, p 816; February, p 1113A; March, p 1545; April, p 1847B Caswell, J. Selwyn: Sheet and Tin Plate Rolls, Feb 26 p 695 Caterpillar Tractor Co.: Roller-Hearth Electric Furnace to Harden Sprockets*, Mar 5 p 788 Center: Ready Ball-Bearing Live’, p 878 Mar 12 Center Finder: Precision, for Use on Jigs and Mill- ers*, Jan 15 p 251 Centrifugal Process: Casting Guns by, June 4 p 1816 Developments in deLavaud Meth- od*, Apr 30 p 1426; May 21 p 1691B Century Electric Co.: Manufacture of Castings*, Jan 15 p 236 Challansonnet, J.: Influence of Nickel and° Vanadium on Cast Iron, Mar 26 p i028, Molybdenum and Nickel in Cast Iron, June 11 p 1901 Chamber of Commerce of the United States: Annual Meeting—Business Stabili- zation, May 7 p 1530 Champion Machine & Forging Co.: Cutting Steam Cost of Forgings’, Mar 19 p 940 Charls, George H.: Analysis of Sheet and Strip Prices and Costs, Mar 12 p 902 How Flat Rolled Steel Manufactur- ers Aid Unemployment, Feb 12 p 580 Chaudron and Villachon: Gas Content of Some Vacuum- Melted Metals, Feb 26 p 705 Chevrolet Motor Co.: Foundry—Keeping Pace dustry, Mar 26 p 1016 Chicago Bridge & Iron Works: Prizes for Elevated Water Tank Designs*, Apr 30 p 1467 China: New Tariff Reduces Jan 29 p 445 with In- Steel Duties, Chipper: Madison-Kipp Air, May 28 p 1753 Chisholm-Moore Hoist Corpn.: Al-Lite Chain Hoist*, Apr 9 p 1210 Christie, Walter J.: Inventor of High-Speed War Tank*, Jan 22 p 367 Chromium Plating: Developments, Jan 1 p 48 For Wear Resistance’, 1829; June 18 p 1982 Gages and Tools, Ford Plant*, Jan 22 p 311 In Nicholl-Hale Plant, June 18 p 2025 On Aluminum, May 28 p 1780 Jun 4 p Chucking Machines: Goss & DeLeeuw Electric Thread- ing Attachment for*, Jan 8 p 180 Goss & DeLeeuw Mar 19 p 948 Chucks: Advances in Design and Construc- tion*, Mar 19 p 930 Standards Submitted, Apr 16 p 1283 Chute: Manganese for Magnetic tor*, May 7 p 1528 Two-Spindle*, Separa- Cincinnati Bickford Tool Co.: Super-Service Upright Drills*, June 11 p 1914 Cincinnati Electrical Tool Co.: High-Speed Cut-Off Machine*, Feb 19 p 638 Cincinnati Grinders, Inc.: Sizing Device for Centerless Grind- ers*, Apr 30 p 1452 Cincinnati Lathe & Tool Co.: Turret Attachment for June 11 p 1914 Cincinnati Planer Co.: Open-Side Planer with Tool ers*, Jan 8 p 179 Lathes*, Lift- viii City Auto Stamping Co.: Straight Line Production of Stamp- ings*, Jan 8 p 165 Clark Co., D. A.: Strip Steel Tube Stock Breaker’, Jan 15 p 249 Clark, S. B.: de Lavaud Process Developments’, Apr 30 p 1426 Clark Tructractor Co.: Gas Operated Crane*, Apr 9 p 1207 Clarke, Eugene C.: Drop-Forging Tolerances*, Jan 8 p 152 Cleaning: Plant Vacuum*, June 11 p 1892 Cleaning Equipment: American Automatic Plating, Dry- ing and*, Feb 26 p 716 Cleveland-Cliffs Iron Co.: Annual Report, Apr 16 p 1297 Cleveland Pneumatic Tool Co.: Cleco Rotary Grinder*, June 25 p 2061 Cleveland Trust Co.: American Industrial Activity Since 1854*, May 21 p 1687 Clock: Two-Ton Cast Bronze*, Apr 16 p 1306 Cloud Club: Wall Decorations of Steel Making’, Apr 16 p 1293 Clutch: Dodge Friction Disk*, May 14 p 1605 Magnetic Multiple-Disk*, Apr 9 p 1210 Coal: And Other Problems (Editorial), May 7 p 1552 Industrial Stocks, Jan 8 p 192; Feb 19 p 660; Mar 19 p 989; Apr 9 p 1214; May 7 p 1562; May 21 p 1718 Less, but More Fuel and Work (Ed- itorial), Apr 16 p 1305 Mechanized Mining, 1930, June 4 p 1848 Pulverized, Experiences in Erie Foundry*, June 11 p 1896 Throws Light on Business (Editor- ial), Mar 5 p 798 Coal Conference: World, Announcement, Apr 2 p 1110 Coatings: Spray for Ingot Molds, Apr 16 p 1273 Coats Machine Tools Co.: Gage for Testing Steel Balls*, May 21 p 1681 Krupp Mikrotast Snap Gage with Widia Contacts*, May 28 p 1756 Spring Testing Machine*, June 11 p 1917 Cochrane-Bly Co.: Abrasive Cut-Off Machine*, Feb 19 p 635 Coes, Harold V.: Profitable Depression Policies, Mar 19 p 923 Coke: Bureau of Mines Experimental Plant, Jan 1 p 111 JANUARY—JUNE, 1931 By-Product and Beehive Production, December and Year, p 488; January, p 818; February, p 981D; March, April, p 1793 By-Product Capacity, 1930, Feb 5 p 521 Cold Rolling: Work Hardening of Some Materials by, Feb 19 p 621 Cold Work: Effect on Beryllium Bronze, Feb 19 p 678 Collens, Clarence L.: Price Stabilization, June 4 p 1844 Colman, Arthur: Pattern Making, June 4 p 1834 Colorado Fuel & Iron Co.: Annual Report, Mar 19 p 977 Tapping the Blast Furnace*, Apr 16 p 1269 Combustion Engineering Corpn.: Production Management in Draft- ing*, May 28 p 1729 Comparator: Precision Amplifying*, May 21 p 1681 Competition: Inter-Commodity, Research Defense Against*, Mar 19 p 925 Maladjustments and _ (Editorial), Mar 26 p 1026 Speeds Obsolescence (Editorial), Jan 22 p 334 Concrete Reinforcing Steel Institute: Annual Meeting, Mar 19 p 977; Mar 26 p 1065 Cone, Edwin F.: Massive Castings Made with Cores*, Apr 30 p 1416 Conlee, G. D.: Electrical vs. Mechanical Devices for Furnace Control, June 25 p 2064 Conrow, R. S.: Colored Porcelain Enamel Black- boards*, Feb 26 p 696 Construction: (Also See Building) Government Contracts, Feb 19 p 637; Mar 26 p 1050; Apr 16 p 1322; June 11 p 1928 Federal, an Aid to Unemployment, Mar 26 p 1062 Federal Projects, Feb 12 p 530 Iron and Steel, New, Jan 1 p 101; Jan 8 p 216 Welding Will Not Replace Rivets, May 28 p 1741 Continental Construction Corpn.: 1000 Miles of 24-In. Welded Pipe Line*, Jan 15 p 248 Control: Electrical vs. Mechanical Devices for Furnace, June 25 p 2064 Perpetual Inventory Tied in with Production*, Mar 5 p 766 Production, of Interchangeable Parts*, May 7 p 1512 Synchronization of, with Convey- ors*, Apr 2 p 1094 Control Desk: General Electric, for Steel Mills*, Mar 26 p 1014 Conventions: American Foundrymen’'s Association, May 14 p 1606 American Gear Manufacturers’ Asso- ciation, May 14 p 1608 American Institute of Mining and Metallurgical Engineers, Feb 26 p 711 American Iron and Steel Institute, May 28 p 1763 American Society for Testing Materials, June 25 p 2698 American Society of Mechanical Engi- neers, Apr 23 p 1383; Apr 30 p 1458 American Welding Society, Apr 30 p 1462 American Zinc Institute, Apr 30 p 1494 Association of Iron and Steel Electri- cal Engineers, June 25 p 2064 Chamber of Commerce of the United States, May 7 p 1530 Concrete Reinforcing Steel Institute, Mar 19 p 977 Institute of Scrap Iron and Steel, Mar 12 p 906; Mar 19 p 978 International Chamber of Commerce, May 7 p 1544C; May 14 p 1611 Iron, Steel and Allied Industries of California, Feb 26 p 745 National Association of Plat Rolled Steel Manufacturers, May 7 p 1537 National Foreign Trade Council, June 4 p 1840 National Machine Tool Builders’ As- sociation, May 28 p 1765 National Industrial Advertisers Asso- ciation, June 25 p 2068 National Metal Trades Association, Apr 23 p 13872 Open-Hearth Superintendents, oy 14 p 1620; May 21 p 1685; May 28 p 1749 Society of Automotive Engineers, June 18 p 2004; June 25 p 2068 Taylor Society, May 7 p 1533 Triple Supply Associations, Apr 30 p 1476 9 United Metal Trades Association, May 7 p 1542 Western Metal Congress, Feb 26 p 738 Converters: In New Plant of National Tube Co.*, May 21 p 1666 Conveyors: (See Also Materials Handling) Continuous Loop in General Elec- tric Refrigerator Department’, June 18 p 1972 Decorate Modern Office*, Apr 9 p 1164 For Vitreous Enameling in West- inghouse Plant*, May 14 p 1584 German Idea of Use of*, Apr 9 p 1212 Mathews Roller, with Gearlock and Keylock*, Apr 9 p 1208 Overhead in Electric Fan Manufac- turing Plant*, Feb 12 p 541 Portable Belt, Apr 23 p 1382B Synchronization of Control with*, Apr 2 p 1094 System in Bendix Stromberg Foun- dry*, Apr 16 p 1258 Cook Co., Asa S.: Counting and Packaging Machine*, Jan 22 p 324 Cop-O-Lead: New Alloy, Jan 29 p 487C Copper: Cost of (Editorial), June 11 p 1932 Economic Position of, Jan 1 p 87 Price for (Editorial), June 4 p 1857 Production, 1930, Feb 5 p 488; June 11 p 1928 Rolling, Effect of Antimony and Arsenic on, June 4 p 1815 Copper Steel: Corrosion, Feb 5 p 527 For Dynamo and_ Transformer Sheets, Apr 16 p 1253 Corbin, P. & F.: Steel Grit for Sand Blasting*, Jan 29 p 393 Corrosion: Copper Steel, Feb 5 p 527 Corrugating Machine: Bliss Drum*, May 14 p 1602 Co Co Co Cor Cor Cra Cra Cra =o ee Cre Cre Costs: Control System and Wage Incen- tives in Monarch Plant*, May 21 p 1657 Depreciation an Element of, Jan 29 p 373 Living, Feb 5 p 521 Mass Production Not at Fault (Edi- torial), Feb 5 p 492 Ratios of German Machinery Build- ers, Mar 12 p 851 Reduction Through Materials Han- dling, Apr 9 p 1165 Sheet and Strip Prices and, Mar 12 p 902 . Steam, Cutting in Manufacture of Forgings*, Mar 19 p 940 Value of Uniform System Within an Industry, Mar 19 p 936 Countersinking Machine: Kent Duplex Nut*, Mar 19 p 950 Counting and Packaging Machine: Asa S. Cook Co.*, Jan 22 p 324 Coupling: Crocker-Wheeler Flexible*, Apr 16 p 1289 Flexible, Rawson Automatic Starter ; and*, Apr 23 p 1362 Pipe, Heat Treating for Gas Lines*, Mar 5 p 784 Covel Hanchett Co.: Knife Grinder*, May 21 p 1678 Cowdrick, Edward S.: Personnel Management, Feb 5 p 524 Crafts and Kinzel: Inclusions and Their Effect on Im- pact Strength of Steel*, Mar 5 p 781 Cramp-Morris Industrials, Inc.: Acquired by Baldwin Locomotive Works, May 21 p 1692 Cranes: Clark Gas-Operated*, Apr 9 p 1207 Industry’s “Flying Carpet’*, Mar 26 p 1011 Lewis-Shepard Floor June 25 p 2059 Loadmaster, Bucyrus-Erie Co. to Make, Apr 16 p 1299 Push-Button Contfol for Floor Op- erated, Jan 8 p 178 Revolving*, Creep: Long Time Tests More Valuable, Feb 19 p 666 Metals at Elevated Temperatures’, Mar 12 p 868 Crescent Truck Co.: Electric Lift Truck*, Feb 19 p 635 Cribbing: Made from Sheet Metal*, Apr 2 p 1113D Crocker-Wheeler Electric Mfg. Co.: Edmunds Flexible Coupling*, Apr 16 p 1289 Crockett, C. B.: Industrial Material Handling by Power-Driven Trucks, May 14 p 1610 Crossing: Ryerson All-Steel Railroad Side- walk*, Apr 23 p 1358 Crucible Steel Co. of America: Annual Meeting, Apr 23 p 1382A Corrosion - Resisting Sheets with Polished Surface*, Feb 5 p 457 Methods of Analyzing Rustless JANUARY—JUNE, 1931 Steel for Carbon*, Feb 12 p 549 Rustless Steel Products in Window Display*, Apr 23 p 1382A Crucibles: Babcock & Wilcox Segmental for Induction Furnaces, Apr 2 p 1106 Cruiser: Use of Aluminum in Building, Feb 19 p 611 Cunard Steamship Co.: New Liner*, Jan 22 p 369 Curtis, Frank W.: Milling with Tungsten and Tan- talum-Carbide Cutters*, May 21 p 1673 Curts, Robert M.: Use of Zine and Zine Alloys in Au- tomobiles*, Feb 19 p 622 Cutler-Hammer, Inc.: Automatic Timing for Heat Treat- ing*, Apr 23 p 1361 Magnetic Separator Pulley, Apr 9 p 1207 Cut-Off Machine: Aetna-Standard Tube*, June 25 p 2058 Bardons & Oliver with Hydraulic Feed*, May 28 p 1753 Cincinnati High-Speed*, Feb 19 p 638 Cochrane-Bly Abrasive*, Feb 19 p 635 Cutters, Milling: With Tungsten and Tantalum-Car- bide*, May 21 p 1673 Cutting Fluids: Performance of, June 11 p 1920 Cutting Machine: American Oxycop Gas*, Apr 23 p 1370 Lewis Automatic Wire Straighten- ing and*, June 18 p 1991 Paulis Oxy-Acetylene*, Mar 12 p 878; Apr 16 p 1282 D Dallas Power & Light Co.: Welded Steel Building*, Jan 1 p 44 Davey, Peter: Investigating Vibration Troubles’, Feb 5 p 452 Davis & Thompson Co.: Eight-Spindle Continuous Feb 12 p 556 Davis and Scott: Detinning Scrap by a New Process, Mar 5 p 765 Davis, O. K.: Prospects for American Foreign Trade, Jan 1 p 43 Dawson, J. R.: Stethoscopic Examination of Welded Products*, Apr 9 p 1202 Daylight Distribution: In Buildings, May 28 p 1730 Defiance Machine Works: Four-Way Boring and Facing Ma- chine*, Jan 15 p 249 deForest, Dr. A. V.: Non-destructive Tests by Magnetic Dust*, May 14 p 1594 Drill*, ix De Laney, W. L.: Measurement of Rolling Mill Pres- sures*, Feb 19 p 609 deLavaud Process: Developments in Making Centrifu- gal Cast Iron Pipe*, Apr 30 p 1426 Deoxidation: In Making Steel Castings, Mold Conditions and*, May 28 p 1732 Deoxidizers: Aluminum and Magnesia as Non- Ferrous, Jan 15 p 243 Department of Commerce: Annual Report, Jan 8 p 163 Deppeler, J. H.: Thermit Welding in Steel Mill Main- tenance, Apr 30 p 1464 Depreciation: A Direct Cost, Jan 29 p 373 Iron and Steel Industry, Rates for, Mar 5 p 838 Despatch Oven Co.: Gas Oven for Uniform Drawing and Tempering*, June 25 p 2054 Detinning: Scrap by a New Proocess, Mar 5 p 765 Detroit Seamless Steel Tubes Co.: Lining Steel Tubing with Metals Centrifugally, Mar 26 p 1058 Dial Feed: Federal Press Mechanism*, Feb 12 p 556 Dickey, P. S.: Electrical vs. Mechanical Devices for Furnace Control, June 25 p 2065 Dickson, Col. T. C.: Casting Guns by Centrifugal Proc- ess, June 4 p 1816 Die Castings: Aluminum Bronze, Manufacture in Aurora Plant, Jan 29 p 405 Made of Brass*, May 7 p 1522 Die Head: Bignall & Keeler Pipe Threading*, Jan 22 p 329 Landis Adjustable*, Apr 23 p 1371 Die Sets: Metallurgy of Modern*, Feb 26 p 702 Dies: Tungsten-Carbide for Wire Draw- ing*, Jan 1 p 40 Dietert, Harry W.: Control of Sand in the Foundry’*, Apr 30 p 1432 Differential Steel Car Co.: Self-Propelled Dump Car, June 11 p 1928 Digges, T. G.: Lathe Tool Tests, June 11 p 1921 Dirigibles: (See Aircraft) Dividends: Factor in Consumer Buying, Jan 8 p 170 Diving Bell: Made from 5500 Steel Casting*, Jan 15 p 242 X Dodge Mfg. Corpn.: Friction Disk Clutch*, May 14 p 1605 Merger with Foote Brothers Gear & Machine Co., June 4 p 1852 Doehler Die Casting Co.: Die Castings of Brass*, May 7 p 1522 Dollys: Whitney Hand*, Feb 26 p 715 Donaldson, J. W.: Strength of Gray Cast Iron at Ele- vated Temperatures, Apr 23 p 1359 Dornin, George A.: Process Reliability in Steel Making, Jan 22 p 302 Dowdell and McCrae: Deoxidation and Mold Condit‘ons in Making Steel Castings*, May 28 p 1732 Drafting: Production Management in*, May 28 p 1726 Drawing Sheet Metal: Test of Qualities, Apr 16 p 1250 Dreis & Krump Mfg. Co.: Sheet-Steel Shear of Welded Plates*, Apr 16 p 1283 Dresser Mfg. Co., R. S.: Heat Treating Pipe Couplings for Gas Lines*, Mar 5 p 784 Drilling Machines: Cincinnati Bickford Super-Service Upright*, June 11 p 1914 Davis & Thompson Eight-Spindle Continuous*, Feb 12 p 556 Ekstrom, Carlson Ejight-Station*, May 14 p 1603 Ex-Cell-O Special Tapping and’*, Feb 12 p 554 Giddings & Lewis Two-Spindle Bor- ing, Milling and*, June 4 p 1835 Guibert “Togglebug”*, Mar 12 p 874 Independent Thor High-Frequency Electric*, June 25 p 2062 National Automatic Two-Way Hori- zontal*, May 21 p 1680 Reed-Prentice Four-Way Turning and*, Feb 26 p 713 Rockford Hydraulic Feed Multiple Tapping and*, Mar 5 p 790 United Two-Spindle Horizontal Tap- ping and*, Feb 12 p 558 Drip Covers: Reliance, for Motors*, Mar 19 p 947 Drives: Electric. in Steel Industry*, June 4 p 1819 Electric, Steel Mill Operations*, Jan 1 p 36 Rockwood Belt, with Automatic Tension Control*, Mar 26 p 1023 Drop Forging: Methods in Herbrand Plant*, Jan 29 p 383 National Survey of Industry, June 11 p 1918 Tolerances and Costs*, Jan 8 p 152 Drums: Welded, for Navy, Feb 5 p 455 DuBrul, E. F.: Market Research for Machinery In- dustry, Jan 1 p 88 Portent of Large Corporations, May 28 p 1765 JANUARY—JUNE, 1931 Duffendack and Wolfe: Nickel-Barium Alloy for Spark Gaps, May 21 p 1672 Dunbar, Howard: Grinding Machine Developments, Jan 1 p 53 Dunlap, W. M.: Welding Processes Applicable to Aluminum, Apr 9 p 1203 Durco Nirosta: New Alloy Steel, Feb 12 p 577 Durimet: New Alloy Steel, Feb 12 p 577 Duriron Co.: Durimet and Durco Nirosta, New Alloy Steels, Feb 12 p 577 Dust Collecting System: In Electric Auto-Lite Plant*, Feb 19 p 627 Dwellings: Aluminum, Steel and Glass, Ex- hibit*, Apr 23 p 1378 German Portable Steel and Copper’, Feb 12 p 548 “House Berlin,” Steel and Glass*, June 18, p 2001 Steel and Concrete in Early Build- ing*, Jan 29 p 380 Steel, Progress in, Mar 19 p 981D Dyer Engineers, Inc.: System of Cost Control and Payroll Expenditures*, May 21 p 1657 E Earnings: And Spendings (Editorial), Apr 23 p 1390 Eastern States Blast Furnace and Coke Oven Association: Meetings, Feb 19 p 677; June 18 p 1998 Eastern Steel Co.: Acquired by Bethlehem Steel Corpn., Apr 30 p 1468; May 21 p 1690 Eastman Kodak Co.: Scheduling Production, Feb 26 p 697 Eaton Axle & Spring Co.: Acquires Reliance Mfg. Co., Apr 2 p 1116; Apr 23 p 1382C Eaton, C. S.: Withdraws from Continental Shares, Inc., Apr 30 p 1466 Eckel, Edwin C.: Basic Industries Need Widened Markets, Jan 1 p 71 Long-Term Price Declines, Apr 23 p 1329 Eckman, M. L.: Resistance Welding in Jobbing and Repair Work*, Apr 30 p 1440 Economics: In the Toils of (Editorial), Apr 2 p 1122 Economists: Professional, Passing Out (Edito- rial), June 18 p 2007 Economy Engineering Co.: Ball-Bearing Lifting Machine’, Mar 12 p 875; Apr 9 p 1209 Editorials: 7980, At the End of, Jan 1 p 110 1931, a Word for, Jan 1 p 110 5-Day Week, Apr 30 p 1474 Alloy Steels—a Tribute to, Mar 19 p 952 American Iron and Steel Institute Meetinge—Words of a Prophet, May 28 p 1778 Anti-Trust Act a Stumbling Block, Mar 19 p 952 Automobile Production Prospects, Mar 5 p 797 Auhsanaite Proportion of Steel Made, May 7 p 1553 Bank Debits Still Falling, Jan 22 p 332 Bethlehem-Youngstown Merger — For More Directors Who Direct, Jan 8 p 184 Bills Have to Be Paid, Mar 26 p 1027 Bolt, Nut and Rivet Manufacturers’ Association Dissolved, Mar 19 p 952 Build, Why Not? June 25 p 2077 Business—Causes of Economic Depres- sion, Jan 15 p 256 Business Depression—It Is Time to Saw Wood, Feb 5 p 492 Business—Measuring Time for Re- covery, Jan 15 p 256 Business—Quest for Turning Points, Jan 22 p 332 Business Recession, Observing the End of, Feb 12 p 563 Business—Still Not Enough Facing of Facts, Jan 29 p 413 Business—-Wanted: Uncolored Facts, Jan 22 p 333 Capacity, Excess, of the Individual, June 18 p 2007 Capacity, Steel, Engagement of, Jan 22 p 333 Capital, Less Flow Abroad, Jan 29 p » Car Loadinegs, Trend, May 21 p 1696 Chamber of Commerce of the United States—Making Haste Slowly, May 7 p 1552 Changing the Bait. Feb 12 p 562 Coal and Other Problems, May 7 p 1552 Coal, Less, but More Fuel and Work, Apr 16 p 1305 Coal Throws Light on Business, Mar 5 p 798 Competition Speeds Obsolescence, Jan 22 p 334 Copper, Cost of, June 11 p 1932 Copper, Price for, June 4 p 1857 Debunking, May 21 p 1697 Deflation. Feeding the Flames of, June 18 p 2006 Depression, Causes of Economic, Jan 15 p 256 Depression—Hard Times Breed Eco- nomic Folly, Feb 12 p 562 Depression; Measuring Time for Re- covery, Jan 15 p 256 Depression-—More Foresight and Less Hindsight, June 18 p 2006 Depression, New Stage of, June 25 p 2076 Depression, Post-War Activity and, May 28 p 1779 Depression, Theory and Practice in, Feb 26 p 720 Depression, What Led to, Apr 9 p 1223 Development of, New Things, June 4 p 1856 Earnines and Spendings. Apr 23 p 1390 Economics, In the Toils of, Apr 2 p 1122 Economists, Professional, Passing Out, June 18 p 2007 Employment Stabilizer, Diversification an, Feb 5 p 492 Export Shrinkage in Second Half of 1930, Jan 29 p 413 Fabricated Steel, Standardization of Wide Flange Sections, May 14 p 1626 Forecasts, Scant Supply of 1931, Jan 8 p 185 Freivht Cars, Types Needed, Feb 12 p 564 Freight Traffic, Trade Index of, Mar 26 p 1028 How to Become Poor, Mar 5 p 796 Industrial Maturity, Problems of, Mar 12 p 880 Industries, Large and Small Concerns, Feb 26 p 721 International Chamber of Commerce— Find No Easy Way Out, May 14 p 1626 Inverted Spiral, June 4 p 1857 Labor, Is Conscription the Answer? Mar 5 p 796 Labor—Unemployment Correctives at Work, Feb 19 p 641 Labor—Wage Rate or Real Earnings, May 21 p 1696 Labor—Wage Readjustments, June 4 p 1857 Living, None is Owed, June 25 p 2077 Machine Tools, Instalment Selling for, Jan 8 p 185 Machinery Selling, Foolhardy, Apr 23 p 1391 Maladjustments and Competition, Mar 26 p 1026 (E sh oF mt et fedieteedietd 206 ba si 'h rh hp (Editorials, continued) Mallock and Green, June 4 p 1857 Manganese, Too Much, Mar 12 p 881 Materials of Engineering, Textbook of, June 25 p 2101 Mass Production Not at Fault, Feb 5 Dp 492 Money or Goods Transfer? Apr 2 p 1120 Meney Rates, Influence of, Jan 15 p ORF aw Moratorium on Reparations—a Rift in the Clouds, June 25 p 2076 National Economic Council? p 1026 National Industrial Conference Board 15 Years of Fact Finding, May 28 p 1779 Needs, Everyday, June 11 p Obsolescence, Increased Speeds, Jan 22 p 334 Operating Rates, Economies of, Feb 19 p 641 Mar 26 1933 Competition Pig Iron Production in an Off Year (1930), Apr 2 p 1121 Pipe, Processes Change in Tubular Goods, Feb 5 p 493 Post-War Activity and May 28 p 1779 Price of a Quality 1222 Price Stabilization, June 4 p 1856 Price Trends and Trade Recovery, Mar 19 p 952 Prices, May 7 p 1552 Depression, Product, Apr 9 p Prices. Commodity and Food, Jan 1 p 111 Prices, Commodity, Declines May Be Nearing End, Feb 26 p 72 Prices. How Long Declining? June 25 p 2076 Prices, Illusion of “Pre-War,” p 1932 Production and Buying, Production 1474 Progressive Programs, Mar 19 p 954 Prospect, the, June 11 p 1932 Rail Price Investigation, Apr 2 p 1120 Research, Forward Step in, May 28 p 1779 Russia, More About, Apr 16 p 1306 Russia, Need We Fear? Mar 19 p 953 Scrap Steel Awaits Price Rise, Feb 19 June 11 May 28 p 1778 Seasonal Swings, Apr 30 p p 641 Scrap» Trade, Uplifting the, Mar 19 p 953 Seeing the Licht, May 21 p 1697 Sheet Price Structure, New, Apr 30 p 1475 Silver, Is It a Commodity? Jan 22 p 334 Steel and Other Steel Capacity Apr 23 p 1391 Steel Consuming Outlets Vary, Mar 12 p SSO Steel Corporation Tonnage in 1930, Mar 26 np 1027 Steel Decrease Not Activity. Mar 12 p 881 Gain Was Forecast, Unusual, May 14 p 1627 Steel, Finished, Demand in 1930, May 21 p 1697 Steel Ingot Decreases, Seasonal, June 25 p 2077 Steel Ingot Production by Quarters, 1925-1928, 1930, Jan 8 p 185 Steel, Kinds of in an Off Year, 14 p 1627 Steel, Over-Expansion in, Jan 1 p 110 Steel. Precedents and Departures in, Apr 9 p 1223 Steel, Seasonal p 1390 Steel, Stainless and Rustless, Feb 26 p May Variations in, Apr 23 720 Steel, Structural, Momentum of, June 4 p 1858 Stock Market as an Indicator, Apr 16 p 1304 Tariff Commission Performs Well, Feb 12 p 563 Tariff, on This Question of, June 11 p 1933 Tariffs Here and Abroad, Apr 9 p 1224 Taxation, Income, June 18 p 2007 Taxes—Bills Have to Be Paid, Mar 26 p 1027 Taxing for the Unthrifty, Apr 16 p 1304 Taxpayers! Take Notice (Soldiers’ Unemployment Fund), Apr 16 p 1304 Tubular Goods, Processes Change in, Feb 5 p 493 Unemployment Insurance, tory, May 14 p 1627 Volume Shrinkage Equably Distributed, Jan 29 p 414 Wage Cuts, Meaninz of, Apr 30 p 1475 Contribu- Wage Rates and Wage Earnings, Apr 9 p 1222 Wage Question, Jan 29 p 412 Wealth, Distribution of, May 7 p 1554 Welland Canal, New, Apr 16 p 1305 What New Things? June 4 p 1856 Wheat, Adventure in, Apr 2 p 1121 Wheat Growing, Feb 5 p 493 JANUARY—JUNE, 1931 Edwards, E. B.: Electric Locomotives for Industrial Service*, June 25 p 2050 Eggers, E. J. W.: Developments in Gas Welding and Cutting, Apr 9 p 1204 Ehmcke, V.: Influence of Nickel and Manganese on Properties of High-Speed Steel, Apr 16 p 1278 Eilander and Esser: Hardening in Carbon Steel, Mar 12 p 882 Ekstrom, Carlson & Co.: Eight-Station Automatic Drilling Machine*, May 14 p 1603 Elbows: Wrought Iron Welding, June 25 p 2061 Electric Auto-Lite Co.: Dust Collecting System for Cast Iron Borings*, Feb 19 p 627 Mechanical Handling in Produc- tion*, Jan 22 p 312 Electric Eye: (See Photoelectric Tube) Electric Machinery Mfg. Co.: Are Welded Stator Frame for Motors*, Feb 19 p 633 Electrical Apparatus Association: Organized, Feb 19 p 664 Electrical Industry: As Consumer of Metals, Apr 2 p 1101 Electrification: Steel Mill*, Jan 1 p 36; June 4 p 1819 Electrodes: American, Bar and Rod Heater* Feb 12 p 559 Lineoln, for Stainless Steel Arc Welding*, May 21 p 1682 tegulator for Are Furnaces*, Jan 29 p 402 Electroplating: Developments, Jan 1 p 48 Ellis, Owen W.: Rolling Alloys of Copper and Phos- phorus, June 4 p 1818 Elwell-Parker Electric Co.: Die-Handling Elevating June 25 p 2060 Truck*, Embossing Machine: Noble & Westbrook Lock Trade- mark*, Jan 15 p 251 Empire State Building: Aluminum and Rustless Steel to Cover Tower*, Feb 12 p 553 Dirigible Mooring Mast*, Mar 5 p 836 Empire Steel Corpn.: 3ondholders’ Committee Appointed for, June 18 p 2003 Employees Cut Own Wages, June 11 p 1924 In Receiver*hip, June 4 p 1847A Refinancing Plans, Feb 26 p 712 Strike Settled, May 21 p 1690 Employment: (See Labor) Empress of Britain: A Ship in the Night*, June 25 p 2047 Propeller Casting and Rudder*, June 4 p 1849 Enameling: Continuous, of Refrigerator Parts*, Jan 29 p 376 Effect of Furnace Gas on, Jan 15 p 258 Sheet Steel, Effect of Smelter At- mospheres on, Apr 23 p 1392 Vitreous, in Westinghouse Plant*, May 14 p 1584 Engineering Societies May 7 p 1540 Englesson, E.: Pitting in Water Turbines, Feb 5 p 494 Erie Foundry Co.: Model to Demonstrate Drop Ham- mer*, June 11 p 1931 Erie Malleable Iron Co.: Pulverized Coal Experiences*, June 11 p 1896 Erie Railroad: Channelplate Floors in Warehouse, Apr 2 p 1089 Erwin, George L., Jr.: Factors That Built Good Business in