COS 



THE INDIA RUBBER WORLD 



Vol. 60. 



TABLE OF CONTENTS. 



Editorials : 



Trade Associations and Competition 537 



To Protect American Rights in Mexico "'■"° 



Works Committees and the Like 538 



A Sound Plan of Patent Reform 5J» 



A Massachusetts Mandatory 5J» 



Expansion of Business ^^° 



The Rubber Association of America, Inc.: 



Summer Outing IHustrated 539-540 



Activities of the Association S'H-sh^ 



Echoes of the Great War 543-544 



Letter from France ^^^ 



Alien Enemy Patents Available Under License 545-546 



The Scrap and Reclaimed Rubber Situation 546 



The British and United States Rubber Goods Export 



Trade Compared— 1913-1918 Lhart 547 



Rubber Pavements: A Historical Resume 548-550 



Remarks on "Unwoven Rubberized Fabrics" 



Contributed 550-551 



Inquiries and Trade Opportunities 551 



Tire Rebuilding and Repairing— I Illustrated 552-553 



Road Building and Tire Building Chart 553-554 



Straight-Side Tires for Foreign Markets 554 



Salvaging Automobile Tire Fabrics IHustrated 555 



German War Tires 555 



Wooden Packing Cases Again for Crude Rubber. 



Illustrated 556 



Reclaiming Hard Rubber. By Hancock Haskins 



Illustrated 557 



Building Bias Binding IHustrated 558 



Chemistry: 



What the Rubber Chemists Are Doing 559-560 



Chemical Patents 560-561 



Laboratory Apparatus IHustrated 561 



Machines and Appliances IHustrated 562-564 



Combined Impregnating Vacuum Dryer and Solv- 

 ent Recovery Apparatus for Fabrics. Crude Rub- 

 ber Slicing-Machine. Pneumatic-Tire-BudduiR 

 Machine of Novel Construction. An Improved 

 Automatic Mixer. Collapsible Tire-Building Form. 

 Pneumatic Chucks for Tire-Building Machines. 

 P. I. W. Tire-Building .Stands. Porcelain Form? 

 for Dipped Goods. 



Machinery Patents IHustrated 564 



.Apparatus lor Feeding Comminuted Materials to 

 Mixing-Mills. Other Machinery Patents. 



Process Patents 554 



New Goods and Specialties Illustrated 565-566 



A Rubber-Operated Rifle. Hard-Rubber Radio 

 Receiver. "Sealtite" Patches. A War-Developed 



I-:.xchider. \ High-Grade Bathing Cap. Rubber 

 Bathing Accessories. A Novel Ball. Golf Ball 

 with Ru1)bcr-Wound Core. Rubber-Lined and 

 Rubberized Bags. A New Use for Sponge Rub- 

 ber. TesTbesTos Brake Lining. A Suit for Life- 

 Saving. A Trade-Marked Blow-Out Patch. A 

 New Fabric Tire. The "Erco" War-Sole. 



Tire Accessories Illustrated 



A Simple Non-Skid Chain. A Protector Against 

 Punctures, ".\rmorcord" Tube. .\ Rim-Tool for 

 Split-Rims. The "JifTy" Rim. Simply Operated 

 Chain- lack. 



Editor's Book Table 



( Durse in Modern PriKJuction Methods. 



568 



New Trade Publications 568 



New Incorporations 568-569 



Letters from Planters in Mexico Illustrated 570 



American Rubber Trade — News Notes and Personals 



IHustrated 571-577 



Albert L. Viles Portrait and Sketch 571 



Dividends 571 



Homer E. Sawyer Portrait and Sketch 573 



Horace De Lisser Portrait and Sketch 574 



Edwin C. McGraw Portrait and Sketch 580 



Canadian Notes IHustrated 576-577 



Obituary Record 575 



C. J. .\dams (Portrait). D. T. Kirkham (Portrait). 

 H. S. Raley. Sir W. H. Treacher, K. C. M. G. 



Domestic Correspondence: 



Massachusetts By r)ur Correspondent 578-579 



Ohio By Our Correspondent 579-580 



Rhode Island By Our Correspondent 580-581 



New Jersey By Our Correspondent 581-582 



Pacific Coast By Our Correspondent— IHustrated 582-584 



Connecticut Notes 584 



Rubber From Sage Brush and Greasewood 584 



The Economic Revolution in British Rubber Factories 585-587 

 Foreign Rubber News: 



Great Britain By Our Correspondent 588-589 



Miscellaneous Foreign Notes 589 



Planting Notes: 



Miscellaneous Notes 592-593 



Rubber in the Beni District of Bolivia. . IHustrated 593 



Patents Relating to Rubber 594-595 



United States, Canada, United Kingdom, New 

 Zealand, France. 



Trade Marks 



United States, C 



Designs 



Markets: 



Crude Rubber 



Highest and Lowest Prices 

 Singapore Rubber Auctions 



Reclaimed Rubber 



Rubber Scrap 



Cotton and Other Fabrics.... 

 Chemicals and Ingredients .. 

 Statistics: 



Brazil, E.xports from Manaos 

 Canada Statistics for March 



Cotton Statistics 



Ceylon Imports and Exports 



595-596 



France, Australi 



597 

 598 

 598 

 523 

 604 

 .605-606 

 .606-607 



598 



603 



605-606 



598 



Italy, Statistics for 1917'and 1918 603-604 



Straits Settlements Rubber Exports 598 



United Kingdom Statistics for April 603 



United States: 



Crude Rubber Arrivals at Atlantic and Pacific 



Ports as Stated by Ships' Manifests 598-601 



Exports During .\pril, 1919 (By Countries).... 602 

 Statistics for April 601 



