'14 



THE INDIA RUBBER WORLD 



June 1, 1921 



f 



■s 





WPo^ 



Vol. 64 



JUNE 1.1921 



No. 3 



TABLE OF CONTENTS 



Editorials Pages 



The Seiberling Valedictory 633 



Tires Not a Luxury 633 



The Engineering Foundation and Rubber 633-634 



The Absurd "Capital Strike" Claim 634 



Cotton Acreage for 1921 634 



A Brain Workers' Union 634 



Minor Editorial 634 



The Manufacture of Chewing Gum Illustrated 635-638 



Antimony Sulphuret, Its Manufacture and Use. By 



D. A Sh.rk 638-639 



American Railway Association, Mechanical Division, 

 Master Car Builders' and Master Mechanics' 

 Specifications of Standard Steam Hose. Graphs. 639 

 .Artificial Lighting in the Rubber Industry — V. By E. 



Lcavt-nu ortli l-.lliott Illustrated 640-642 



Embossing Machines Used in Rubber Manufacture 



Illustrated 643-645 

 Rubber Mill and Calender Lubrication ... Illustrated 646 

 Repairing Rubber Gloves and Mittens — IV. Illustrated 647-648 



Interesting Letters from Our Readers 648 



Manufacture of Hard Rubber Combs. By William 



Roberts Illustrated 649-650 



Pneumatic Truck-Tire Repair Vulcanizers. Illustrated 651-654 



Truck Tires and Road Damage Graphs 655-656 



A Simple Buffing Cone • ■ . . . .Illustrated 656 



Meeting of the Rubber Division of the American 



Chemical Society 657-658 



Chemistry 



What the Rubber Chemists Are Doing. . . 659-660 



Chemical Patents • • • • ■ 660-661 



Laboratory Apparatus ••. Illustrated 661 



New Trade Publications • • . . 662 



The Advantages of Water Vulcanization. By Arthur 



K. Friswell 662-663 



The Relative Accelerating Action of Dififerent Com- 

 pounds of Lead in the Vulcanizing of Rubber. By 



J. M. Grove 663-664 



The Action of Certain Organic Accelerators in the 

 Vulcanization of Rubber — II. By G. D. Kratz, 



A. H. Flower and B. T. Shapiro 664-666 



The Editor's Book Table ' 666 



"India Rubber." "Rubber Resins, Paints and Var- 

 nishes." "The Financier Rubljer Share Hand- 

 book." "General Commodity Sales Tax." "A 

 List of the I^'un^i of the Malay Peninsula." 



New Machines and Appliances. Illustrated 667-669 



Tire Section CuttinK Machine. Rubber Sole and 

 Heel Punching Machine. Rubber Scrap Pulver- 

 izer. A British Flexible Coupling. Tire Skiving 

 Machine. Air Compressor for Garages and Vul- 

 canizing Shops. Recording Thermometer. Small 

 Electric Tools for Rubber Factories. Rubber 

 Stock Cutter. 



Machinery Patents Illustrated 669-670 



Machines for Compacting Carbon Black. Rub- 

 ber Masticator and Mixer. Covering Tennis Balls. 

 Other Machinery Patents. 



Process Patents 670 



New Goods and Specialties .. .Illustrated 671-673 



Ball with Features and Projective Tongue. Elec- 

 trical Clipper with Hard Rubber Handle and 

 Knobs. Rubber Shaving and Lather Cups. Hard 

 Rubber Carboy for Acids. Improved Portable 

 Hand Lamp. .An Attractive Brogue Rubber. A 

 Barking Dog That Does Not Bite. Home Doc- 

 toring for Weak Dolls. Novelties in Complete 

 Rubber Bathing Costumes. "Sealtyte" Self-Heal- 

 ing Inner Tube. "Mutt and Jeff" Make Another 



Public Appearance. British Motorcycle Link 

 Belt. To Meet the New Golf Requirements. 

 "Flexyde" Body Belts for Everybody. Rubber 

 Reducing Suit for Jockeys. Munro Golf Ball 

 (leaner. 



The Rubber Association of America — Activities of . . . 



Inquiries and Trade Opportunities 



Safety with Vulcanization Apparatus 



Obituary Record • 



C. .\. Hunter (portrait). D. Shattuck. E. Stout. 



Readjustment Policies of the National Chamber of 

 Commerce 



Treasury Decisions 



Whale Inflation Hose Illustrated 



American Rubber Trade — News and Personals 



Financial Notes 



Dividends • • 



Rubber Stock Quotations 



New Incorporations 



Tire Price Reductions 



Albert B. Jones Portrait and Sketch 



E. M. Waldo Portrait and Sketch 



East and South By Our Correspondent 



New Jersey By Our Correspondent 



Rhode Island By Our Correspondent 



Thomas G. Richards Portrait and Sketch 



Massachusetts By Our Correspondent 



I'rank A. Seiberling Portrait and Sketch 



f )hio By Our Correspondent 



Mid- West By Our Correspondent 



Pacific Coast By Our Correspondent 



Processing Tires, Tubes and Belting 



W. B. Wiegand Portrait and Sketch 



Canadian Notes 



American vs. European Practice in the Rubber Tire 

 Industry. By .\lbert H. Myers Illustrated 



Foreign Rubber News 



Great Britain By r)ur Correspondent 



Europe 



Foreign Tariffs 



Planting 



Rubber in the British West Indies 



Far East By Our Correspondent 



Patents Relating to Rubber. 



United States. Canada. United Kingdom. New 

 Zealand. Germany. 



Trade Marks 



United States. Canada. United Kingdom. New 

 Zealand. 



Designs Illustrated 



United States. Germany. 



Markets 



Crude Rubber 



New York Average Spot Rubber Prices 



Antwerp Crude Rubber Market During 1920... 



Highest and Lowest New York Prices 



Amsterdam Rubber Market 



Antwerp Rubber Market 



Hamburg Rubber Market 



Singapore Rubber Market 



Reclaimed Rubber 



Rubl)er Scrap 



Cotton and Other Fabrics 



Chemicals and Other Ingredients 



Statistics 



Canada, Statistics for January and February, 1921 



Federated Malay States Rubber Exports 



Italy, Statistics for Eleven Months Ended No- 

 vember, 1920 



Java Rubber Exports 



Straits Settlements Rubber Exports . . 



Penang Rubber Exports . . ' 



United Kingdom, Statistics for February and 



March, 1921 



Malaya Rubber Exports 



United States: 



Crude Rubber Arrivals at Atlantic and Pacific 



Ports as Stated by Ships' Manifests 



Custom House Statistics 



Exports of India Rubber Manufacture Dur- 

 ing February, 1921 (By Countries).... 



Imports by Months for 1921 



Statistics for February, 1921 . . 



Pages 



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