lOJEVV YORK 



HOW ABOUT COAL ? 



i "on rubber. 



»ERICK J. MAYWALD. F.C.S. 



/ater Street NEW YORK 



ALFRED HALE RUBBER O 



Founded 1837 ATLANTIC, MASS. Inc. 1 



Reliable Rubber Goods 



MOLDED GOODS 



CRUDE RUBBER STANDARDIZED 



RUBBERIZING OF FABRICS 



f .0TCHOUC 



f. U. S. Pat. Off. 



Edited by HENRY C. PEARSON 



Vol LX. No. I. 



APRIL \, 1919 



35 CENTS. 



$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 

 £g and construction. 



"Buflovak" 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 

 Reclaiming and Deresinizing Apparatus 



4i-i^iai^ 



Buffalo Foundry & Machine Co. 



52 Winchester Ave 

 U BUFFALO, N.Y. 



NEW YORK OFFICE: 1432 Whitehall Building, 17 Battery Place 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, INC., BOSTON. MASS. 



