336 



THE INDIA RUBBER WORLD 



[July i, 1908. 



Ball Bearing Tire. 



[Ball Bearing Tire Co., Providence, Rhode Island.] 



Section Swinehart Detachable Rim. 



[The Swinehart Clincher Tire and Rubber Co., Akron, Ohio.] 



TntE Wise Pulling Machine. 



[Patent of John A. Barbrake.] 



"Half Xelson" Emergency. 

 Tire. 



MicHELiN Demountable Rim. 



Making the Joint with the "Half 

 Nelson." 



Tire Vulcanizing Process. 



[Patent of Charles L. Pepper.] 



Empire Motorcycle Tire. 



[Empire Automobile Tire Co., Trentoii, New Jersey.] 



Empire Motor Cycle Tubes. 



["Empire" tubes made of gray rubber, standard 

 weight: "Empire Peerless" tubes, in red rubber, 

 are heavier.] 



Rutherford Pneumatic Wheel. 



A Pneumatic Wheel. 



[The Flexible Tire Co., Springfield, 

 Massachusetts.] 



Wheeler's Steel Tire Armor. 



