ification tests — tensile strength and 

 ch, heating (steam pressure), plas- 

 r, ply separation, etc. And chemical 

 rses, of course. 



lDERICK J. MAYWALD. F.C.S. 



Water Street New York 



See also page S2 



ALFRED HALE RUBBER C 



Founded 1837 ATLANTIC. MASS. Inc. 



Reliable Rubber Gooc 



MOLDED GOODS 



CRUDE RUBBER STANDARDIZE 



RUBBERIZING OF FABRICS 



Ree. U. S. Pat. Off, 



Edited by HENRY C. PEARSON 



Vol LIX. No. 6. 



MARCH 1, 1919 



$3.00 Per Year. 

 $3.50 Abroad. 



"BUFLOVAK" 



Apparatus has won its commanding position in the 

 Vacuum-Drying of sheet and reclaimed mbber, com- 

 pounds and other materials through 

 exclusive features in design 

 . and construction. 



Vacuum Shelf Dryer 



<< 



Let us tell you about them 



Buflovak" Apparatus Includes 



Vacuum Shelf, Rotary and Drum Dryers 

 Vacuum Drying and Impregnating Apparatus 



Dry Vacuum Pumps— Condensers I'S^ 

 Reclaiming and Deresinizing Apparatus 



"Buflovak" Vacuum Rotary Dryer 



Buffalo Foundry & Machine Co. buffaloTi^y 



NEW YORK OFFICE: 1432 Whitehall Building, 17 Battery Place 



E * 

 ? PI 

 o •< 



g-aC 

 lots 



§?Pl 









o > 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, INC.. BOSTON. MASS. 



Entered aa second-class 



under the Act of March 3, ItTf. 



