'UUAKtK WmilNti 



EAST 42nd SXRBET 

 MEW YORK 



MINERAL RUBBER 



r the manufacturer of rubber 

 t or compounding materials, 

 avestigator or inventor — anal- 

 tests, experimental work in 

 ly equipped laboratory. More 

 t it on page 114. 

 lERICK J. MAYWALD, F.C.S. 

 I P»rk Place, Newark, N. J. 



ALFRED HALE RUBBER CO, 



Foanded 1837 ATLANTIC, MASS. Inc. 1900 



Reliable Rubber Goods 



MOLDED GOODS 



STANDARDIZED 



RUBBERIZING 



• ^jrcHouc 



Edited by HENRY C PEARSON 



Vol. LXI. No. 4. 



JANUARY 1. 1920 



$3.00 Per Year. 

 $3.50 Abroad. 



^^^^ 



• eO^U.S. PAT. OFF. 



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— 

 Balloons— Toys— Novelties— Bathing Caps— Etc. 



^ Under These Trade Marks .. . 



ydaxmitr'* 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, INC., BOSTON. MASS. 



