me'* any doubt about it, test it. Analyses 

 •t* of all kinds— tcnsae strength, plasticity, 

 yaratioa, heatiiitr tests, etc And experi- 

 1 worlc. 



;derick j. maywald. f.cs. 



Water Street New York 



Another story on page 40a 



ALFRED HALB RUBBE:R C 



Founded 1837 ATLANTIC, MASS. Inc. 



Reliable Rubber Good 



MOLDED GOODS 



CRUDE RUBBER STANDARDIZE! 



RUBBERIZING OF FABRICS 



leg. V. S. Pat. Off. 



United Kingdoi 



Edited by HENRY C. PEARSON 



Vol. LIX. No. 5. 



FEBRUARY 1. I9I9 



35 CENTS. 



$3.00 Per Year. 

 $3.50 Abroad. 



"BUFLOVAK" 



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. 



"Buflovak" Vacuum Shelf Dryer 



Let us tell you about them 



n 



Buflovak" Apparatus Includes 



Vacuum Shelf, Rotary and Drum Dryers 

 Vacuum Drying and Impregnating Apparatus 



Dry Vacuum Pumps — Condensers 

 Reclaiming and Deresinizing Apparatus 



"Buflovak" Vacuum Rolai-y Dryer 



Buffalo Foundry & Machine Co. 



52 Winchester Ave 

 BUFFALO, N.Y. 



NEW YORK OFFICE: 1432 Whitehall Bmlding, 17 Battery Place 



?5 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT. INC.. BOSTON. MASS. 



the Act ol March 3. UTt. 



