MAKING RUBBER GOODS 



iccilicalion is a mailer ol chemisiry. Why noi 

 e experi rubber chemisi help you lo do il ? 



EDERICK J. MAYWALD, F.C.S. 



CONSULTING CHEMIST 

 toe Street Phone, mi John New York 



ff. 



NOT A 



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BUYERS' DIRECTORY 58. 



RAIN COAT 



tTNI-ESS THIS CIKCTTLAE 

 HE6ISTERED TRADE- 

 MARK IS STAMPED ON 

 THE INSIDE. 



C^Qirr^ouc 



JW-Peb"^ 



Edited by HENRY C. PEARSON— Offices, No. 15 West 38th Street, NEW' YORK. 



Vol. XLIV. No. 4. 



JULY 1. 1911. 



35 CENTS. 



$3.00 Per Year. 

 $3.50 Abroad. 



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UAYUL 



CIRCLE BRAND GUAYULE RUBBER, is successfully 

 used in Belting, Packing, Hose, Boots, Shoes and Tires. 



Goods made from CIRCLE BRAND GUAYULE RUB- 

 BER have been proved to be as permanent as those made 

 from other more expensive rubbers. 



The CONTINENTAL RUBBER COMPANY OF NEW YORK will 

 be pleased to demonstrate the uses of CIRCLE BRAND GUAYULE 

 RUBBER at the forthcoming INTERNATIONAL RUBBER EXHIBI- 

 TION at London, June 24th to July 14th, 1911, to all manufacturers who 

 are interested. 



Continental Rubber Company of New York 





111 BROADWAY, NEW YORK 



New York, U. S. A. 



2 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT. BOSTON, MASS. 



