706 



THE INDIA RUBBER WORLD 



Vol. 62 



JULY 1. 1920 



No. 4 



TABLE OF CONTENTS. 



Editorials: Pages 



Solid Tires Not Doomed 633 



American Plantation Rubber 633 



The Goodyear Vulcanization "Accident" 633-634 



Dangerous Demands of Labor 634 



Truck Trains and Tires 634 



Minor Editorial 634 



A Modern Tire Plant Layout. 



By M. A. Pearson— Illustrated 635-639 



More About Jar Rings and Poisoned Olives 639 



Tire Fabric and Long-Staple Cotton. 



By L. W. Alwyn-Schmidt 640-641 



Electric Drive in a Tire and Tube Plant. 



By H. F. Barton— Illustrated 642 



Standard General Methods for Testing Cotton Fab- 

 rics • • Illustrated 643-645 



Judicial Decisions ■•••.... 646 



The Manufacture of Blow-Out Patches. 



By Arthur C. Squires— Illustrated 647-648 



War Department Specifications for Mechanical Rub- 

 ber Goods— II 649-651 



Testing Machines Illustrated 652-653 



Proposed Tentative Specifications for Adhesive In- 

 sulating Tape • • 653 



Chemistry : 



What the Rubber Chemists Are Doing 654-655 



The Determination of Substitute in Rubber. 



Methods of Analysis 655 



Rapid Determination of Golden Antimony in 

 Rubber Goods. Gasoline Distillation. 



Chemical Patents ■ ■ ... 656 



Laboratory Apparatus Illustrated 656 



Machines and Appliances Illustrated 657-659 



Hydraulic Lead-Encasing Press. Solid Tire 

 Pres.s Cranes. .A New Solution Mixer. Tire 

 Casing Inspecting Machine. Machine for Cutting 

 Rubber Washers. Rubber Solvent Storage Sys- 

 tem. Special Scale for Rubber Compounding. 



Machinery Patents Illustrated 659 



Variable Speed Drive for Rubber Mills. Strip- 

 ping Dipped Goods from Curing Forms. Im- 

 proved Air Bag. Applying Repair-Tires to Worn 

 Casings. Other Machinery Patents. 



Process Patents 659-660 



Trade Opportunities 660 



New Goods and Specialties Illustrated 661-663 



The "Brownfoot" Rubber Boot. New Single 

 Solid Tire. .'\n Inner Tube for Cord Tires. Ten- 

 nis Racket Cover. Patented Repair Kit. English 

 Sole Pads. Molded Rubber Fish Lures. Four- 

 Hole Bagpipe Balloons. Inner Tube That Mini- 

 mizes Blow-Outs. "Safety First Pull-Over" 

 Glove. Rubber Retainer for Batteries. Achilles 

 Tires. A Practical Mat for the Running Board. 

 A Semi-Circular Cut-Out Rubber Mat. Rubber- 

 ized Cotton Gloves. The Burke "Grand Prize" 

 Golf Ball. The "Tayhawk" Golf Ball. Ingenious 

 Valve Shut-Oflf for Syringes. The "Flex-O- 

 Tyte" Fan Belt. Individual Tub for Infants. 

 The Rubber Association of America — Activities of... 664-665 

 Hew Trade Publications 665 



Editor's Book Table 



"The Preparation and Vulcanizati 

 tion Para Rubber." "Canadian 

 1920-1921." 



Interesting Letters from Our Readers. 



East African Rubber Possibilities, 

 of a Great French Aviator. 



Planta- 

 Index, 



Memory 



The Obituary Record 



Edwin C. MeGravv (Portrait). Robert 1. Monroe. 



Determination of the Softening of Plastic Materials. 

 Illustrated 



Storage Battery Developments on the Pacific Slope- 

 Special Correspondence 



American Rubber Trade — News Notes and Personals 



Dividends 



Financial Notes 



New Incorporations 



William Wallace Wildman.. . Portrait and Sketch 



Personal Mention Illustrated 



Frank G. Mauthe 



East and South Illustrated 



New Jersey By Our Correspondent 



Rhode Island By Our Correspondent 



Massachusetts By Our Correspondent 



Thomas Midgley Portrait and Sketch 



Frank K. Starbird Portrait and Sketch 



Ohio .By Our Correspondent — Illustrated 



Mid-West ... By Our Correspondent — Illustrated 



John E. Shaw Portrait and Sketch 



Pacific Coast..By Our Correspondent — Illustrated 



Designs Illustrated 



L'nited States. Canada. 



Pneumatic Tread Designs Registered September, 



1918, to September, 1919 Illustrated 



Foreign Rubber News: 



Great Britain By Our Correspondent 



European Notes ■ • 



Netherland Indies Notes 



Planting: 



Far Eastern Notes 



.African Notes 



South .American Notes 



Rubber Dormant in Dutch and British Guiana. 



Present Status of Long-Staple Cotton 



Canadian Notes 



669 

 669-670 

 670-671 



671 

 671-672 



672 

 672-674 



674 

 674-675 

 675-676 



676 



677 

 677-679 

 679-680 



684-685 

 685 



686 



686-687 



687 



687 



688 



Patents Relating to Rubber 



United States. Canada. L^nited Kingdom. New 

 Zealand. Germany. France. 



Trade-Marks 



L'nited States. Canada. United Kingdom. France. 

 Markets: 



Crude Rubber 



Highest and Lowest New York Prices 



.Amsterdam Rubber Market 



.Antwerp Rubber Market 



Singapore Rubber Market 



Reclaimed Rubber 



Rubber Scrap 



Cotton and CJther Fabrics 



Chemicals and Ingredients 



Statistics: 



Antwerp Rubber Arrivals 



Brazil, Manaos Exports During April 



Canada. Statistics for March, 1920 



Ceylon Rubber Imports and Exports 



Deli (Sumatra) Rubber Exports 



Federated Malay States Rubber Exports 



Java Rubber Exports 



Straits Settlements Rubber Exports 



United Kingdom, Statistics for April, 1920 



United States: 



Crude Rubber Arrivals at Atlantic and Pacific 

 Ports as Stated by Ships' Manifests 



Custom House Statistics 



Imports by Months for 1920 



Exports of India Rubber Manufacturers During 

 April, 1920 (By Countries) 



United States Statistics for April 



694 

 695 

 695 

 695 

 695 

 694 

 702 

 702-703 

 703-704 



695 

 700 

 700 

 695 

 695 

 695 

 695 

 695 

 700 



696-697 



701-702 



697 



698-699 

 699 



