'QUAKER" WHITING 



IM 



s o 



I 



EAST 42ncl STREET 

 NEW YORK 



MINERAL RUBBER 



50 NOT KNOW IT ALL, 



I have successfully handled 

 ny cases in the past 20 years. 



fThat are YOUR troubles? 

 EDERICK J. MAYWALD, F.C.S. 



Rubber Chemist 

 PARK PLACE NEWARK, N. J. 



Analyses, Tests, Experimental Work 



ALFRED HALE RUBBER CO 



Incorporated 1900 ATLANTIC, MASS. Founded 183 



Reliable Rubber Goods 



MOLDED GOODS 



CRUDE RUBBEJl STANDARDIZED 



RUBBERIZING OF FABRICS 



'\snk-?^^ 



t- U. S. P«t. Oft 



Edited by HENRY C. PEARSON 



Rcf. United Kingdom 



Vol. LXIII. No. 4 



JANUARY I, 1921 



35 CENTS 



$3.00 Per Year. 

 $3.50 Abroad. 



^^^^ 



ReCU.S. PAT. OFR 



The Faultless Rubber Company 



ASHLAND, OHIO, U. S. A. 



Manufacturers of 



Rubber Sundries— Water Bottles— Syringes— Surgical 

 Rubber Goods— Surgeons', Household and Electri- 

 cians' Rubber Gloves— Sponges— Sponge Products- 

 Transparent Nipples— Tubing— Finger Cots— Balls— 

 B alloons— Toys— No velties— Bathing Caps— Etc. 



Under These Trade Marks 



y(iartnitr 



^«« ».«.••* •w 



z 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT. INC.. BOSTON. MASS. 



Entered as second-clais matter October 4, lg»», at the post office at Now York, N. Y, undv the Act of Mwch 9^ HT*. 



Published mojithly at 2S W««t 4Sth Stree . Now Yorlc. 



