632 



THE INDIA RUBBER WORLD 



[June 1, 1920. 



Vol. 62 



JUNE 1. 1920 



No. 3 



TABLE OF CONTENTS. 



Editorials : 



A Setback to Filipino Progress 



Guayule Is Rubber, Not a "Substitute"... 



Balata Cultivation 



Air Fords Not as Yet 



Accidents in Factories • 



Standardization and Golf Balls 



Minor Editorials • • 



Rubber (Hevea Brasiliensis) as a Philippine Agricul- 

 tural Investment. By H. F. Cameron, Lieutenant- 

 Colonel, Engineers, U. S. A Illustrated 557-560 



555 

 555 

 .555-556 

 556 

 556 

 556 

 556 



A Layout of a Scientific Rubber Footwear Factory. 



Diagrams 560-563 



Recent Improvements in Testing Machines. 



Illustrated 563 



Motor Truck Efficiency as Related to Solid and Pneu- 

 matic Tires By S. V. Norton— Illustrated 564-567 



Rubber Tariffs of Asia, Oceania and Africa 568-570 



British Standard List of Rubber Tyres for British 



Standard Rims. Diagrams 570-573 



The Goodyear Industrial University. 



By Ralph C. Busbey— Illustrated 574-575 



Practical Tire Repairing. By .\. B. Zwebell— Illustrated 576-578 

 Interesting Letters from Our Readers 579-580 



Further Study for Native Rubber Plants. Stev- 

 ens' Sulphur Determination Method. The Rub- 

 ber Situation of the Philippines. Of Pioneer 

 Stock. Why Not American Rubber Factories in 

 Malaysia? As to Rubber Heel Patents. 



Chemistry: 



What the Rubber Chemists Are Doing 581-583 



Carl)on Black. Benzol Poisoning. 



Chemical Patents 583 



Laboratory Apparatus I llustrated 583 



Machines and Appliances Illustrated 584-587 



The Mathern Tire Making Machine. Solvent 

 Recovery System. Akron-William Tire Repair 

 Novelties. Champion Tire Building Stands. Ma- 

 chine for Coating Inside of Casings. S. & B. 

 Flexible Steel Molds. High Pressure Sectional 

 Vulcanizer. Honeco Vulcanizer Temperature 

 Controller. Inner Tube Valve Nut Tightener. 



Machinery Patents Illustrated 587 



Mandrel for Tire Tubes. Machine for Making 

 Inner Tubes. Other Machinery Patents. 



Process Patents 587 



New Trade PubUcations 588 



Editor's Book Table 588 



"Report of the Ceylon Chainber of Commerce for 

 the Year 1919." "Aircraft Year Book, 1920." 

 "Report of the Board of Trade of the Empire 

 Cotton Committee. 1920." "Dyke's Automobile 

 and Gasoline Engine Encyclopedia." 



New Goods and Specialties 589-591 



A Safety Axe for the Summer Camper. Com- 

 bination Ink and Pencil Eraser. A New Over- 

 shoe Tire. A New Artificial Bait. Three New 

 Western Tires. .'\n Improved Step-Mat. Three 

 Bathing Caps for Summer Days. Hair Brush 

 with Rubber Cushion. "Adheso" Millinery Glue. 

 Standard and Oversize Cord Tire. A New 



Fabric-Rubber Sole. Rubber-Insulated Coil-Box 

 Protector. The "Celoglas" Safety Goggle. The 

 "Willson" Safety Goggle. A Valve That Locks 

 the Air in the Tire. Vacuum Cup Ladder Stay. 

 "Duratop" Rubber-Coated Fabric for Auto Tops. 

 Rubber Mats behind the Soda Fountain. It 

 Warns when Tire Is Flat. The "Nokut" Tire 

 Plug. A Reinforced Heel and New Half Sole. 



The Obituary Record 592-593 



O. S. Picher (Portrait). I. F. Stone. M. D. 

 Bendel. J. Kaufman (Portrait). F. T. Carlton. 

 J. P. Wileman. 



Inquires and Trade Opportunities 593 



The Rubber Association of America — Activities of... 594 



American Rubber Trade— News Notes and Personals 595 



Dividends 595 



New Incorporations 595-596 



Personal Mention Illustrated 596 



Eastern Notes By Our Correspondent 596-597 



Seamless Rubber Co Illustrated 597 



Canadian Notes 598 



New Jersey By Our Correspondent 598-599 



Rhode Island By Our Correspondent 599-600 



R. J. Fries Portrait and Sketch 600 



Massachusetts By Our Correspondent 600-601 



Ohio By Our Correspondent — Illustrated 601-603 



Mid-West By Our Correspondent 604-605 



Mid-West Rubber Manufacturers' Association... 604 



Pacific Coast.. By Our Correspondent — Illustrated 605-607 



Foreign Rubber News: 



Great Britain By Our Correspondent 608-609 



Foreign Notes 609-610 



Japan By Our Correspondent 610 



The Rubber and Cotton Trade of the Netherlands 610-611 



Planting: 



Notes from the Far East 611-612 



Rubber Tree Diseases Illustrated 612 



Pneumatic Tread Designs Registered October, 1917, 



to August, 1918 Illustrated 616 



Patents Relating to Rubber. 613-614 



United States. Canada. L'nited Kingdom. 

 France. Germany. 



Trade Marks 614-615 



United States. Canada. United Kingdom. New 

 Zealand. 



Designs •• Illustrated 615 



United States 



Canada 



Markets: 



Crude Rubber 



Highest and Lowest New York Prices. 



Amsterdam Rubber Market 



Antwerp Rubber Market 



Reclaimed Rubber 



Rubber Scrap 



Cotton and Other Fabrics 



617 

 618 

 618 

 618 

 617 

 628 

 . 628-630 

 Chemicals and Ingredients 630-631 



Statistics : 



Brazil, Para and Manaos E.xports 



Canada, Statistics for January, 1920 



Ceylon Rubber Imports and Exports 



Cotton Statistics 



Deli (Sumatra) Rubber Exports 



Federated Malay States Rubber Exports 



Italy, Statistics for November and December, 1919 



Java Rubber Exports 



Straits Settlements Rubber Exports 



for March, 1920. 



622 

 626 

 618 

 630 

 618 

 618 

 627 

 618 

 618 

 627-628 



United Kingdom, Stat 

 United States: 



Crude Rubber Arrivals at Atlantic and Pacific 



Ports as Stated by Ships' Manifests 619-622 



Imports by Months for 1920 618 



Exports of India Rubber Manufactures During 



March, 1920 (By Countries) 624-625 



New York Statistics, January, February and 



March 623 



United States Statistics for February and March 625-626 



