268 



THE INDIA RUBBER WORLD 



[jANu.\Ry 1, 1920. 



:Gum-l^ 



Vol. 61 



JANUARY 1. 1920. 



No. 4 



TABLE OF CONTENTS. 



Pages 

 201 

 201 

 201 

 201-202 

 202 

 202 

 202 

 202 

 202 



Editorials: 



New Year's Greetings! • • 



The Industrial Relations Committee 



American Rubber Plantations in Mexico.. 



Labor Famine Not to Be Feared 



Planting Hevea in the Philippines 



"Tech's" New Industrial Plan 



An American Rubber Reserve 



Looking Ahead in Rubber 



Heavy Service Tires 



Three Hundred Million Pounds of Chrysil Rubber. 



Illustrated 203-204 



Peace Problems and Progress Illustrated 204 



Making Arctics by Machinery Illustrated 205-206 



Reactions of Accelerators During Vulcanization 



By C. \V. Bedford and Winfield Scott 206-207 

 Volume Increase of Compounded Rubber Under 



Strain By H. F. Shippel— Charts 208-210 



United States Army Methods of Procuring and Sal- 

 vaging Rubber Articles By Tohn I. Cameron. 



Illustrated 211-213 

 War Department Specifications for Mechanical Rub- 

 ber Goods. Air Brake and Signal Hose and 



Gaskets. Steam Hose . .... ■ • • 214-216 



Detection and Determination of Glue in Rubber 



Goods By S. W. Epstein and W. E. Lange 216-217 



Chemistry: . 



What the Rubber Chemists Are Domg 218-220 



Aging Experiments on Vulcanized Plantation 

 Para Rubber. Practical Synthetic Rubber. 

 Natural and Artificial Rubber. 



Chemical Patents • ■ 220 



Laboratory Apparatus - Illustrated 220 



Machines and AppHances Illustrated 221-222 



Machine for Cutting Pressed-on Truck Tires. 

 Recording Thermometers for Rubber Vulcaniz- 

 ers. Vertical Cement Churns. Sectional Tire 

 Core Remover. Brake Lining Cutter. Ilgair Unit 

 System of Heating. 



Machinery Patents Illustrated 222-223 



Elastic Fabric for Tire Building. Demountable 

 Rim for Solid Tires. Pneumatic Tire Tread Slic- 

 ing Machine. Other Machinery Patents. 



Process Patents 223 



New Goods and Specialties Illustrated 224-225 



An Inhaler with Rubber Valves. A New Cord 

 Tire Sole. Transparent Tobacco Pouches. A 

 British Motor Waterproof, .^n Attachment for 

 Pencils, etc. "Tire Life." A Truck Cord Tire. 

 The "Triangle Tread" Cord Tire. A Belt with a 

 Grip. "Nitrex." Another Non-skid Heel. At- 

 tractive Wheels. "A Tire within a Tire." "Light- 

 ning" Letter-Opener. A Curling Shoe. 

 The Rubber Association of America, Activities of... 226-227 



Obituary Record 228-229 



George E. B. Putnam (portrait). W. E. Rice. 

 R. E. Wright. Mrs. Augusta Neidner. 



Inquiries and Trade Opportunities 229 



Customs Appraiser's Decisions ■ . 229 



Interesting Letters from Our Readers Illustrated 230 



The Editor's Book Table 



"A Rubber Plant Survey 

 America." 

 New Trade Publications 



of Western North 



Question of Tire Guaranties and Adjustments. 



Illustrated 231-232 



Dunlop Rubber Co. Plans to Enter American Tire 



Market Illustrated 232-233 



American Rubber Trade — News Notes and Personals 234-236 



Dividends 234 



Financial Notes 234-235 



New Incorporators 235-236 



Arthur W. Stedman, Jr Portrait and Sketch 236 



John T. Spicer Portrait and Sketch 237 



Owen Moynihan Portrait and Sketch 239 



W. D. Shilts Portrait and Sketch 239 



Domestic Correspondence: 



Eastern Notes 237 



New Jersey • .By Our Correspondent 237-238 



Massachusetts By Our Correspondent 238-239 



Ohio By Our Correspondent — Illustrated 240-241 



Mid-Western Notes. By a Special Correspondent 241-242 



Pacific Coast Notes By Our Correspondent 242-243 



Canadian Notes 245 



First Annual Banquet and Meeting of Mid-West 



Rubber Manufacturers Association— Illustrated 244-245 



Foreign Rubber News: 



Great Britain . B 



European Notes 



German Rubber Registrations End — Trade Faces 

 Economic Difficulties — Special Correspondence 



Y. Miyagawa Portrait and Sketch 



Planting: 



Para Rubber in Mexico — Some Reminiscences — 



Ry J. L. Hermessen Illustrated 



Rubber Planting Notes 



The Balata Industry in the Colony of Surinam — 



By J. Barkley Percival— Illustrated 251-253 



Patents Relating to Rubber 254-255 



United States. Canada. United Kingdom. New 

 Zealand. 



Trade-Marks 255-256 



United States. Canada. United Kingdom. New- 

 Zealand. 



Designs Illustrated 256 



I'nited States. Canada. 



Correspondent 246-247 

 247 



247-248 

 248 



249-250 

 250 



Cotton Notes 



Markets: 



Crude Rubber 



Highest and Lowest Prices. 



Amsterdam Rubber Market.. 



Antwerp Rubber Market.... 



Batavia Rubber Market 



Singapore Rubber Auctions. 



Reclaimed Rubber 



Rubber Scrap 



Cotton and Other Fabrics 



Chemicals and Ingredients.... 



257 



257 



258 



258 



258 



258 



257 



264 



264-265 



266-267 



Statistics: 



Antwerp Rubber Arrivals 259 



Brazil, Exports from Para, Manaos and Iquitos.. 258 



Canada, Statistics for September 264 



Cotton — Annual Statement of the Egyptian Cot- 

 ton Crop 265-266 



Deli (Sumatra) Rubber Exports 258 



Federated Malay States Rubber Exports 258 



Italy, Statistics for Six Months Ended June 263 



Java Rubber Exports 258 



Straits Settlements Rubber Exports 258 



United Kingdom Statistics for October 263-264 



United States: 



Crude Rubber Arrivals at New York as Stated 



bv Ship's Manifests 259-261 



Statistics for October 261 



At Pacific Ports as Reported 261 



Exports During October, 1919 (By Countries).. 262-263 



