RWRITERS' SPECinCATIONS 



covering. Are you hovinu trouble in 

 them? Lei me show you how to over- 

 trouble. It is work lor Ihe chemisl. 



ERICK J. MAYWALD, F.C.S. 



CONSULTING CHEMIST 

 Street Phone, SJi John New York 



tr 



NOT A 



.P 



BUYERS' DIRECTORY 58. 



RA!N COAT 



REGISTEEED 



CIECTTLAR 

 TRADE- 

 STAMFES ON 



MARK.. 



^.OUTCKOUC 



\kmU^ 



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



Vol. XLIV. No. 3. 



R'XE 1, 1911. 



35 CENTS. 



$3.00 Per Year. 

 $3.50 Abroad. 



UAYUL 



CIRCLE BRAND GUAYULE RUBBER, is successfully used 

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



Goods made from CIRCLE BRAND GUAYULE RUBBER 



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 EXHIBITION 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. 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, BOSTON, MASS. 



q: 



