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THE INDIA RUBBER WORLD 



[May 1. 1920. 



Vol. 62 



MAY 1. 1920 



No. 2 



TABLE OF CONTENTS. 



Editorials: Pages 



The Metric Menace ■ ■ 479 



What Machinery Has Done for Rubber 479-480 



Looking Ahead in Crude Rubber. . . 430 



The Factory Training School 480 



Rubber Patent Leather Wanted 480 



Minor Editorials 480 



The Metric System Applied to the Rubber Industry. 



By C. C. Stutz— Chart 481-485 



Rubber Balls Brand Walnuts. Illustrated 485 



Rubber Creations for Moving Pictures Illustrated 486-487 



Stabilizing Southwest Cotton Industry. 



Portrait of Thomas W. McDevitt 488 



Prices of Cotton and Cotton Products Charts 489-494 



Cotton in British Africa . .Illustrated 494 



Chemistry: 



What the Rubber Chemists Are Doing. 495-496 



Extraction of Rubber Goods. Synthetic Rub- 

 ber of German Manufacture. Cumar Resin. 

 Variability of Cure of Slab Rubber. Synthetic 

 Acetic Acid as a Latex Coagulant. Lead Oleate. 



Chemical Patents 497 



Laboratory Apparatus • ■ Illustrated 497 



American Chemical Society — Rubber Division Meet- 

 ing •• 498-499 



Jar Rings and Poisoned Olives 499 



Machines and Appliances Illustrated 500-502 



Improved Clicking Machines. A New Enclosed 

 Mixing Machine. Automatic Machine for Weigh- 

 ing Rubber Ingredients. Peerless Duplex Hack- 

 saw Blades. Magnetic Chucks. Portable Elevator 

 or Piling Machine. A Disk Type Friction Clutch. 



Machinery Patents- ..Illustrated 502 



Machine for Making Storage Battery Separators. 

 Other Machinery Patents. 



Process Patents. . 502 



New Goods and Specialties • -Illustrated 503-504 



A British Ruhber Hat. Bathing Caps of the Sea- 

 son. A Brush for the Hands and Nails. Pocket 

 Hair Brush and Mirror. The "Erie Cord" Tire. 

 Ludington .Armored Pneumatic Tire. Rubber- 

 Soled Bathing Shoe. A New Three-in-One Tire. 

 Gas or Smoke Mask. Expanding and Contract- 

 ing Stopper. A Silver Anniversary Cord Tire. 

 Novel Sub-Tire. Rubber Suit and Safety Goggles. 



The Salvaging of Truck Tires by the Army. Illustrated 505 



The Right and Wrong of a Blow-Out Repair. 



Illustrated 505 



The Obituary Record 506 



Theodore N. Vail (Portrait). Professor Karl 

 Dietcrich, Ph.D. 



Interesting Letters from Our Readers 507-508 



Rubber and Metallic Substances .Applied to Cloth. 

 Special Library Census. On Expansion of Rub- 

 ber Compounds During Vulcanization. C. W. 

 Sanderson's Reply. 



Editor's Book Table 508 



"A Table of Tensile Strengths of Rubber." "The 

 Metric Fallacy." "Inorganic Chemical Synonyms 

 and Other Useful Chemical Data." "Industrial 

 Chemistry." 



New Trade Publications 508-509 



Inquiries and Trade Opportunities 509 



Judicial Decisions - - 509 



Diamond Fiber for Rubber Working Equipment. 



Illustrated 



United States Rubber Co., Annual Report of . 



The Bunsen Burner in Rubber Repair. 



B\- .\rtliur C. Squires— Illustrated 



Aluminum in the Rubber Industry Illustrated 



American Rubber Trade — News Notes and Personals 



Xotl 



New Incorporations 



Joseph K. Mayl Portrait and Sketch 



Charles Schweinert ; Portrait and Sketch 



Intercontinental Rubber Co. — Statement and Bal- 

 ance Sheet of 



United States Tire Promotes Sales Executives.. 



George R. Loggie Portrait and Sketch 



C. Kenyon Co.'s Plants Illustrated 



George W. Shernian Portrait and Sketch 



L. G. Fairbaiik Portrait and Sketcli 



Eastern and Southern Notes. 



By Our Correspondent 



New Jersey By Our Correspondent 



Rhode Island By Our Correspondent 



Massachusetts By Our Correspondent 



-\kron, Ohio. .By Our Correspondent — Illustrated 

 Mid-Western Notes. 



By Our Correspondent — Illustrated 

 Pacific Coast Notes. 



By Our Correspondent — Illustrated 



Canadian Notes 



Mid-West Rubber Manufacturers' Association, April 



Meeting . . ■ 



Billiard Accessories of Rubber - Illustrated 



The Rubber Association of America — Activities of . . . 

 Foreign Rubber News: 



Great Britain By Our Correspondent 



Italy's Rubber Industry. 



By H. C. McLean— Illustrated 

 Planting: 



Rubber Planting in Kamerun. 



By Alfred Dominikus— Illustrated 



African Notes 



Singapore Gutta Percha Exports 



Pneumatic Tread Designs Registered December, 1916, 



to September, 1917 Illustrated 



Patents Relating to Rubber. . 



United States. Canada. United Kingdom. New 

 Zealand. Australia. France. Germany. 



Trade Marks - - 



United States. Canada. United Kingdom. Aus- 

 tralia. New Zealand. 



Designs - - Illustrated 



United States. Canada. 



The Future of the Rubber Market 



Markets: 



Crude Rubber - - - 



Highest and Lowest New York Prices 



.\nisterdam Rubber Market 



.•\ntwerp Rubber Market 



Batavia Rubber Market 



Reclaimed Rubber 



Rubber Scrap - 



Cotton and Other Fabrics 



Chemicals and Ingredients 



Statistics : 



Canada, Statistics for January. 1920 



Ceylon Rubber Imports and Exports 



Cotton Statistics 



Deli ( Sumatra") Rubber Exports 



French Indo-China Rubber Exports 



Federated Malay States Rubber Exports 



Italy. Statistics for October, 1919 



Java Rubber Exports 



Straits Settlements Rubber Exports 



United Kingdom. Statistics for February, 1920. . . 

 United States: 



Crude Rubber .Arrivals at .Atlantic and Pacific 



Ports as Stated by Ships' Manifests 



Imports by Months for 1920 



Plantation Rubber Imports by Ports, 1919 



Exports of India Rubber Manufactures During 

 February. 1920 (By Countries) 



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