-QUAKER" WHITING 



V/VIMDEROI 



5 O 



AST 42nd STREE 

 ■NEW YORK 



MINERAL RUBBER 



TIMES OF DEPRESSION 



I overhaul your formulas, equipment 



and layout, and 

 IT READY FOR THE BOOM 

 history shows jilways follows a 

 period of depression. 



lEDERICK J. MAYWALD 



Consulting Rubber Expert 

 IK PLACE NEWARK. N. J. 



alfre:d hale: rubber co 



Incorporated 1900 ATLANTIC. MASS. Founded 183 



Reliable Rubber Goods 



MOLDED GOODS 



CRUDE RUBBER STANDARDIZED 



RUBBERIZING OF FABRICS 



D. S. Pat. 0«F. 



Rec. United Kingdom 



Edited by HENRY C. PEARSON 



Vol. LXIV. No. 2 



MAY I, 1921 



35 CENTS 



$3.00 Per Year. 

 $3.50 Abroad. 







\ 



M 

 ' t 



'0 



I 

 I 



^^^ 



KECU.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— 

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



Under These Trade Marks 





I 



> 

 z 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, IN C.. BOSTON. MASS. 



Entered as second-class matter October 4. 1899. at the cost office at New York. N. Y.. under the Act of March 3, 1879. 



