rses and TesU of all kinds on goodx 

 to specification. Tensile strength, 

 ig, plasticity, ply separation, etc. 

 iS experimental work. 



DERICK J. MAYWALD.F.C.S. 



Vater Street NEW YORK 



ALFRED HALE RUBBER C 



Founded 1837 



ATLANTIC, MASS. Inr. 



Reliable Rubber Good 



MOLDED GOODS 

 CRUDE RUBBER STANDARDIZED 



RUBBERIZING 



c^r- 



eg. U. S. Pat. Off. 



Edited by HENRY C. PEARSON, F.R.G.S. 



Vol. LIX. No. 



OCTOBER 1, 1918 



35 CENTS. 



I3.0O Per Yeai. 

 $3.50 Abroad. 



"BUFOLVAK" 



Apparatus has won its commanding position in the 

 Vacuum-Drying of sheet and reclaimed rubber, com- 

 pounds and other materials through 

 exclusive features in design 

 {^, and construction. 



"Bunovak" Vacuum Shelf Drye 



Let us tell you about them 



''Buflovak" Apparatus Includes 



Vacuum Shelf, Rotary and Drum Dryers 

 Vacuum Drying and Impregnating Apparatus 



Dry Vacuum Pumps — Condensers 

 Reclaiming and Deresinizing Apparatus 



"Buflovak" Vacui 



Buffalo Foundry & Machine Co. 



52 Winchester Ave. 

 BUFFALO, N.Y. 



NEW YORK OFFICE: 1432 Whitehall Building, 17 Battery Place 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT. INC., BOSTON. MASS. 



of March 3. 1879. 



