478 



THE INDIA RUBBER WORLD 



[April 1. 1920. 



K'^^ 



WPs^ 



Vol. 62 



APRIL I. 1920 



No. 1 



TABLE OF CONTENTS. 



Editorials : 



Pages 



Penny Wisdom 403 



Clean Rubber at the Source 403-404 



A Census for Safety 404 



It Killed the Paper Sole 404 



Kansas Strikes at General Strikes 404 



Tire Production for 1920 • ■ . . •• 404 



Minor Editorials 404 



Is Hard Rubber Wood a Dream? .Illustrated 405-406 



The Position of Plantation Rubber in 1919 406 



The Effect of Location on Prosperity of American 

 Rubber Industry 



By L. W. Alwyn-Schmidt. Chart 407-409 



New Uses for Old Tires and Tubes Illustrated 410-412 



Electrical Yarns • • Illustrated 412 



Some Labor Problems in the Rubber Industry. • • 413-414 



Rubber Tariffs of Europe • -415-419 



Government Standard Specifications for Rubber Tires, 



Tire Repairs and Accessories — II.- - - 419-422 



Life on a Sumatra Rubber Plantation Illustrated 423-424 



Colors and Pigments in Rubber Compounds. By 



Calvin Stitt 425-426 



A New Rapid Method for the Determination of Sul- 

 phur in Rubber Compounds. „ ^ ^ 



By A. M. Munro, M. A., A. I. C, F. C. S. 426 

 Chemistry: 



What the Rubber Chemists Are Doing. 427-428 



The Determination of Cellulose in Rubber 

 Goods. Determination of Nitrogen in Crude 

 Rubber. The Constitution of Vulcanized Rub- 

 ber. Synthetic Rubber from Petroleum. Action 

 of Phenol in Reclaiming. 



Chemical Patents 428-429 



Laboratory Apparatus ■ Illustrated 429 



Machines and Appliances ■ • Illustrated 430-431 



Rubber Band Cutting Machine. The Curtis Air 

 Compressor. Herman Tire-Building Machines. 

 Elapsed Time Recorder. Mineral Rubber Cracker. 

 Indicating Calipers. 



Machinery Patents. . ■ • Illustrated 431-432 



Molds for Making Rubber Articles. Process of 

 Treating Tire Fabric. Method and Apparatus for 

 Making Bicycle Tires. Other Machinery Patents. 



Process Patents 432 



New Goods and Specialties Illustrated 433-434 



Watch-Case Telephone Receiver. Biff, a New 

 Game. Rubber Boot with Silk Top. Tire Patch 

 Applied with Fuse. "Kewpie" Baby Pants. In- 

 terchangeable, Detachable Heel Lifts. Tire Valve 

 and Gage in One. "Air-Peds" for Heels and Soles. 

 A Late Cord Tire. "Porcupine" Blow-Out Patch. 

 New Tire Accessories. An Office and House- 

 hold Convenience. Another Supersize Cord Tire. 



Practical Advice to Repairmen By A. B. Zwebell 435-436 



Interesting Letters from Our Readers 436-437 



New Trade Publications 437 



Editor's Book Table • 437-438 



"Time Studies as a Basis for Rate Setting." "Hea- 

 ton's Annual, 1920." "For a Better America." 



The Obituary Record 438-439 



A. J. Mayberry (Portrait). Judge D. A. Doyle. 

 Dr. C, K. Cole. H. M. Royal. M. B. Newcomb. 

 M. F. Murphy. C. F. Luders (Portrait). Mrs. 

 F. E. Thomas. S. Kraus. 



Inquiries and Trade Opportunities 439-440 



Judicial Decisions • 440 



American Rubber Trade — News Notes and Personals.. 441-454 



John T. Christie Portrait and Sketch 409 



Dividends 441 



New Incorporations 441-442 



E. F. Jones Portrait and Sketch 442 



The Republic Rubber Corporation Illustrated 442-443 



The B. F. Goodrich Co., Annual Report 443 



Hood Rubber Co., Statement 443 



Edward S. Babcox Portrait and Sketch 450 



Erie Tire & Rubber Co Illustrated 451 



C. E. Cook Portrait and Sketch 451 



Eastern and Southern Notes 445-446 



New Jersey By Our Correspondent 446-447 



Massachusetts ....By Our Correspondent 447-448 



Rhode Island By Our Correspondent 448-449 



Ohio By Our Correspondent— Illustrated 449-451 



Mid-Western Notes By Our Correspondent 451-453 



Mid-West Rubber Manufacturers' Association.... 453 

 Pacific Coast. By Our Correspondent — Illustrated 453-454 

 Rubber Association of America — Activities of, The 455-456 



Foreign Rubber News: 



Great Britain By Our Correspondent 457-458 



French Rubber Associations 458 



Japan By Our Correspondent — Illustrated 458-459 



Foreign Customs Changes 459 



Patents Relating to Rubber. . 460-461 



United States. Canada. United Kingdom. France. 

 Germany. Australia. New Zealand. 



Trade Marks 461-462 



United States. Canada. 



Designs Illustrated 462 



ignited States. 



The River of Rubber .Illustrated 464 



Markets: 



Crude Rubber • 



Highest and Lowest New York Prices 



Amsterdam Rubber Market 



Antwerp Rubber Market 



Singapore Rubber Report 



Reclaimed Rubber 



Rubber Scrap 



465 

 465 

 466 

 466 

 466 

 465 

 473 



Cotton and Other Fabrics 473-474 



Chemicals and Ingredients 476-477 



Statistics: 



Antwerp Rubber Arrivals 468 



Brazil, Para and Manaos Rubber Exports 469 



Canada, Statistics for December, 1919 472 



Ceylon Rubber Imports and Exports 469 



Cotton Statistics 474-476 



Deli (Sumatra) Rubber Exports for Ten Months 



Ended October, 1919 469 



Federated Malay States Rubber Exports 469 



Java Rubber Eijports for Twelve Months Ended 



December 1919 469 



Straits Settlements Rubber Exports 469 



United Kingdom Statistics for January, 1920 472-473 



United States: 



Crude Rubber Arrivals at Atlantic and Pacific 



Ports as Stated by Ships' Manifests 466-468 



Imports by Months for 1920 469 



Exports During January, 1920 (By Countries) .470-471 

 Statistics for January, 1920 471 



