nical Control of Manufactur- 



I is not a luxury — il is a necessity. 

 lis is especially true of the rubber 

 lustry. 



:d 'k j. ma ywald, f. c. s., 



CONSULTING CHEMIST 

 • Street 'Phone, 623 John New York 



fir 



NOT A 



If 



BUYERS' DIRECTORY 56 



RA/N COAT 



DNXESS THIS CIRCTrLAE 

 aXGISTERED THADE- 

 HARK IS STAMPED OH 

 THE INSIDE. 



Si 



I- 



c 



: 



a 



v» 



M 



WPeii'^^ 



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



Vol. XLIV. No. I. 



APRIL 1, 1911. 



35 CENTS. 



$3.00 Per Year. 

 $3.50 Abroad. 



Conb'nenbil Rubber Co.ofNewYork 



THE LARGEST PRODUCERS IN THE WORLD 



UAYUL 



Regular Brands 

 "CIRCLE" "TRIANGLE" "TORREON" 



other Grades Produced to Suit Special Needs in Rubber Manufacture 



EXECUTIVE orncES 



No. Ill Broadway, New York, N. Y., U. S. A. 



Eoctory: TORREON, MEXICO 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, BOSTON, MASS. 



