"QUAKER ' WHITING 



V^XIMC3l 



so EAST 42nd STREET 

 NEW YORK 



MINERAL RUBBER 



»J TIMES OF DEPRESSION 



le overhaul your formulas, equipment 



and layout, and 

 ET READY FOR THE BOOM 

 history shows always follows a 

 period of depression. 



KEDERICK J. MAYWALD 



Consulting^ Rubber Expert 

 JIK PLACE NEWARK. N. J. 



ALFRED HALE RUBBER CO 



Incorporated 1900 ATLANTIC, MASS. Founded ISS 



Reliable Rubber Goods 



MOLDED GOODS 



CRUDE RUBBER STANDARDIZED 



RUBBERIZING OF FABRICS 



f> ,^fTCHOUC 



■ U. S. Pat. Off. 



tGuTTA-PEBCH" 



Reg. United Kingdoa 



Edited by HENRY C. PEARSON 



Vol. LXIV. No. 3 



JUNE 1. 1921 



35 CENTS 



$3.00 Per Year. 

 $3.50 Abroad. 



35 



■^ NIAGARA 



Impalpable Rubber Makers Sulphur 



A specially processed PURE, 

 ABSOLUTELY UNIFORM, EX- 

 CEPTIONALLY FINE Sulphur 

 which is free from grit and for- 

 eign matter of any kind. 



We also manufacture all grades 

 of PURE SUBLIMED Sulphur. 



Will be pleased, to furnish sam- 

 ples and quotations of any of our 

 various grades on request. 



'SATISFACTION GUARANTEED" 



NIAGARA SPRAYER COMPANY 



Manufacturers 



MIDDLEPORT, N. Y. 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT. INC., BOSTON. MASS. 



Entered *9 tecond-class matter October 4, 1899, at the poat office at New York, N. Y., under the Act of March 3, J 879, 



Publiabed monthly at 25 Wcat 4Sth Street, New York. 



