lUnilLIA TflllllllU 



so EAST 



MINtKAL KUbBtK 



JES — TESTS — EXPERI 



L WORK on rubber com 



done on real r u b b e i 



:k J. Maywald, F. C. S. 



Rubber Chemist 

 PLACE NEWARK. N 



ALFRED hale: RUBBER CO. 



ATLANTIC, MASS. Inc. 1900 



Reliable Rubber Goods 



MOLDED GOODS 



CRUDE RUBBER STANDARDIZED 



RUBBERIZING OF FABRICS 



Vol. LXII. No. 3. 



JUNE 1. 1920 



$3.00 Per Year. 

 $3.50 Abroad. 







Vacuum Dryers for Rubber 



There is ONE SURE WAY to keep yourself from being disappointed 

 when buying vacuum dryers — and that is to ADHERE to the policy of 

 buying quality. Even though you may pay a little more at the start, you 

 are sure to PAY LESS in the end. 



"Buflovak" Vacuum Dryers 



Vacuum Shelf, Rotary and Drum Dryer* 

 Impregnating Apparatus — Condenser* 

 Dry Vacuum Pumps 

 Solvent Reclaiming Apparatus 



"Buflovak" Evaporators 



All types and for any capacity 



Buffalo Foundry 

 and Machine Co. 



1577 Fillmore Ave. 

 BUFFALO, N, Y. 



"Buflokast" Chemical Apparatus 



Apparatus furnished for all standard chemi 

 cal operations, such as nitration, reduction 



denitration, sulphonation, caustic fu 

 crystallization, etc. Complete cheml 

 plants. 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, INC., BOSTON. MASS. 



