THE INDIA RUBBER WORLD 



[June 1, 1916. 



Wi^ 



Vol. 54 



JUNE I. 1916 



No. 3 



TABLE or CONTENTS. 



Editorials: 



Processional Efficiency 461 



Rubber Stamp, The Universality of the 461 



A Pessimistic Prophecy 461 



Asbestos and Its Embargo 462 



Aeroplanes, Rubber in the Construction of illustrated 463-464 



European Rubber Trade After the War, The 465 



Rubber Guarantee, New Form of 466 



Inquiries and Trade Opportunities 466 



Chemistry: 



What the Rubber Chemists Are Doing 467 



New Coagulants for Rubber Latex 468 



Properties of Vulcanized Rubber 468 



Cbemirnl Trontniout of Rubber 460 



l.alHiratory -\[i)iaratiis lUitstrated 469 



Benzol, The Commercial Production of illustrated 470-472 



Demountable Rim History 472 



Welding Rims by Electricity... Hy C. P. Ryder— Illustrated 473-474 



British Solid Tire Rim Standards and American Sizes 474 



Machines and Appliances, New illustrated 475-479 



Thropp Reduction Gear Drive. New Aprou Feed for 

 Mixers. Allen Tube Skiving Machine with Motor Drive. 

 Rolls for Removing Wrinkles from Fabrics. Miller's 

 Bias Fabric Cutter for Repairmen. Gas Burners for 

 Vulcanizing and Heating. Advance Washer Cutter. 

 Vanadium Steel Rubber Shears. 

 Machinery Patents: Molding Pneumatic Tires. Thropp's 

 Tiro Building Machine. Inner Tube r;(.lliii^ Murliino. 

 Tire Bead Trimming Machine. Metli..(l jimI A|.|.liMiici.s 

 for Building Tire Casings. Dipping an. I |ir\iiiLi Marhino. 

 Air Pressure Rolling Machine for Ki>iit\viar. Kianis 

 Multiple Friction Calender. Other Machinery Patents. 



New Goods and Specialties illustrated 4S0-4S2 



Williams' Patent Violin Chin Rest. "Ilnika Futfit" Ratb- 

 ing Shoe. Scalloped Fruit .Jar Ring. Pivot SIopnc Golf 

 CViat. Improved Dental Appliance. Tlir ".Nnwav" Rub- 

 ber Sheeting. '"Clear-o-scope" Auto Wiiahlial.l (leaner. 

 Elastic Head Bands. "Realflex" AriiMue.l ( '..laliietor. 

 Army Sandal. "Fruin-Tobin" Rubber Bar Horseshoe. 

 Typewriter Cushion Feet with Double Cavity. Metal and 

 Rubber Hose for Gasolene. Clean-o-pore Vacuum Mas- 

 sago Outfit. Sportsmen's Engraved Garter. Vacuum 

 Breathing Apparatus. Something New in Golf Tees. 



Editor's Book Table 483 



'Plivsiolngieal Principles for Determining the Value of 

 tlie Various Rubber Tapping Methods." "Green Book for 

 Buyers." -The Medical Who's Who, 1916." 



New Trade Publications 484 



Obituary Record 485-486 



LeB.iron C. Colt (Portrait). E. H. Pound (Portrait). 

 William Rapp. Aaron D. Weber. 

 Preparedness Parade, The New York illustrated 487-488 



I Portrait of Captain A. Spadone.] 



The Boston 488 



r Portrait of Major H. P. Ballard.] 



American Rubber Trade — News Notes and Personals 489-496 



Rubber Company Share Quotations 48!) 



Rubber Company Dividends. .■ 480 



.John Acken-^PoVtra it and sketch 480 



Rubber Club 1916 Outing 489 



Arthur W. Stedman— Portrait 490 



New Incorporations 491-492 



Charles K. Hutchinson— Portrait and sketch 492 



Tires — News Notes and Personals 494-496 



Firestone Truck Tires Adapted to Railway Tracks illustrated 493 

 Rubber Armor for Automobile Tires. illustrated 496 



Luck Pneuiiuitic 'lire aii<l Rim Illustrated 496 



Seiberling, Stevens and State Patents Valid 496 



Domestic Correspondence: 



Akron /?v Our Correspondent 497 



[Portrait of H. W. Kuwk-r.l 



Boston Bv Our Correspondent 497 



I Portrait of I. A. liuniham.] 



Rhode Island By Our Correspondent 499 



Trenton Bv Our Correspondent 499 



Western Notes r)UO 



Interesting Exhibit of Brazilian Products illustrated 500 



Foreign Rubber News: 



Great Britain Bv Our Correspondent 501-502 



(Germany By Our Correspondent — illustrated 503 



Planting Notes, Rubber 504 



Wide Planting of Rtiblicr 50.5 



Composition of an Old Rubber Tree 50.5 



Prejiaration of Rubber in French Africa 505 



Annual Meeting of Malacca Planters' A.ssociatioii 506 



Brazil, The Rubber Situation in 



By Our Correspondent— Illustrated 507 



British Guiana, Ilevea in Illustrated 508 



Patents Relating to Rubber 509-510 



United States, Canada, United Kingdom, New Zealand, 

 French Republic. 



Trade Marks 510-511 



Designs 5" 



Judicial Decisions 5" 



Customs Rulings 5" 



Markets: 



Ci-ude Rubber -^illi 



Singapore Rubber Aiieti(Mi .51.'! 



Market Cables 512 



Rubber Scrap 521 



Cotton and Other Fabrics 522 



Cliemical and Ingredients 522 



Statistics: 



Asbestos Edit. 462 



Brazil, Rubber Exports from Mauaos During March, lIMIi. .517 



British Guiana, Tapping Results in 508 



Canada, Rubber Statistics for Eleven Months including 



February 519-.520 



Ceylon, Rubber Exports 51.3 



Federated ^l.ilav Stale, Rnbl..., Exports 51.3 



Fraiiee. liii|i.ii(, Ml i;iil,l„i :,ii,l r.alata at Bordeaux 521 



Freiirl, ( nrliin ( hiiia. Xiiiiilier oi Kiiblier Trees in 504 



Italv. Kill. her lni|...rN aii.l K\|...rts for 1914 and 1915. ..520-521 



.Tava and Madura Rubber and Gutta Pcrcha Exports 513 



Malaya Rubber Exports 513 



Singapore, Imports and Exports of Rubber and Gutta 



Perelia 514 



Stain|. l'i...|ii. I I..M ..r KiiM.iT Edit. 461 



Sfniil- ^.1(1. M1..1U l;iil,l,.T K\|„,rls 51:i 



Unit.'.l Mai.'s, lM:.i.l,a(i,,i, 1 1 nl .1 ..T Alloat to 513 



Custom House .stall, (i.., 517 



New York Arrival, ..l ( nel.. Rubber 515 



Imports and Ia]....!, ..I ( mde and Manufactured 



Rubber 518 



Rubber Statistics for Eight Months Ineluding February. 519 



Seattle, Arrivals of Crude Rubber 516-517 



United Kingdom, Rubber Statistics for Three Months In- 

 cluding April 520 



SITBBER TIRE IMPORTS INTO THE STRAITS SETTLEMENTS. 



The Registrar of Imports and Exports at Singapore, Straits 

 Settlements, recently furnished to the British Board of Trade 

 interesting statistics which show the share of Great Britain, 

 Continental Europe, Japan and the United States in the importa- 

 tion of "competitive merchandise" into the Straits Settlements 

 during the year 191 .S. 



Under the heading "Ftnbber Tires," these statistics show that 

 out of total imports from tlie four sources above mentioned, 

 amounting to 2,199,000 Straits Settlements dollars [$1,231,440]. 

 Japan's share was 1,037,000 Straits Settlements dollars [$580,720], 

 Great Britain's share was second in importance, amounting to 

 574,000 Straits Settlements dollars [$321,440], Continental Eu- 

 rope ranked third with 572,000 Straits Settlements dollars [$320,- 

 000], while the share of the United States was only 16,000 Straits 

 Settlements dollars [$8,960]. 



