"QUAKER" WHITING 



the price ol good 



TIEDERICK J. MAYWALD 



- ~..\CE NEWARK. N. J 



nental Work, Analyses 



V. S. Pat. Off. 



VAIMDERBIl.-r OO. 



so EAST 42nc] STREEX 

 IMEW YORK 



MINERAL RUBBER 



ALFRED HALE RUBBER CO 



Founded 1837 



ATLANTIC, MAS^. Inc. 1991 



Reliable Rubber Goods 



MOLDED GOODS 



CRUDE RUBBER STANDARDIZED 



RUBBERIZING OF FABRICS 



Reg. United Kingdom 



Edited by HENRY C. PEARSON 



Vol. LXII. No. 5. 



AUGUST 1. 1920 



$3.00 Per Year. 

 $3.50 Abroad._ 



^Bw^iiii^iiiiiiil^ 



tiiiiliiiii^^^wiliiife 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT. INC., BOSTON, MASS. 



rraiH-rUftft mattpr Oftob#r 



Nry, York. N. Y- 



tho Aft tJ MmrtLh 1. lm. 



