QUAKER" WHITING 



. V'AIMDERBI 



so EAST 42nd STREE 

 NEW YORK 



MINERAL RUBBER 



REAL SERVICE 



it you want when something goes 

 in your plant. 



WHAT I GIVE YOU. 



lERlCK J. MAYWALD, F. C. S. 



Rubber Chemist 

 RK PLACE NEWARK. N. J. 



alfri:d hale: rubber co. 



Incorporated 1900 ATLANTIC, MASS. Founded 1837 



Reliable Rubber Goods 



MOLDED GOODS 



CRUDE RUBBER STANDARDIZED 



RUBBERIZING OF FABRICS 





J. U. S. Pat. Off. 



Reg. United Kingdom 



Edited by HENRY C. PEARSON 



Vol. LXIII. No. 6 



MARCH 1. 1921 



35 CENTS 



$3.00 Per Year. 

 $3.50 Abroad. 



Avoid Oxidation and Overheating by Using "Buflovak" Vacuum Dryers 



The high vacuum and low temperature of ••Buflovak" Dryers absolutely prevent ov«=r-h«a'. 

 ing and oxidation, which are constant dangers to rubber when exposed '"/'^.^ '^JP"^* « st 

 oxygen while drying. Other advantages are economy of drymg time and reduced labor cost. 



••Buflovak" Vacuum Dryers dry all kinds of sheet rubber, rubber 

 compounds, etc. ,, , , , t j 



Profit by the experience of others and get all the facts before de- 

 ciding on your drying equipment. 



We build a com- 

 plete line of Va- 

 cuum Dryers, 

 I Evaporators and 

 Chemical Appa- 

 ratus. 



u 



"Buflovak" Vacuum Shelf Dryer 



"Buflovak" Rotary Dryer 



Buffalo Foundry & Machine Co. 



1577 Fillmore Ave., Buffalo, N. Y. 



New York Office: 17 BATTERY PLACE 



e^ateasMiS 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, INC.. BOSTON, MASS. 



Entered a, second-cUs, matter October 4. 1899 a. the post office at New York^ N. Y^, under .he Act of M«ch i. 1879. 

 lintercu .:. Published monthly at 25 West 45th Street, New York. 



