. and Tests of aJI kinds on goods made 

 :catJon. Tensile strength, heating, plas- 

 f separation, etc. Besides experimental 



ERICK J. MAYWALD, F.C.S. 



aler Street NEW YORK 



•mething of interest on page 105. 



ALFRED hale: RUBBER CC 



Founded 1837 



ATLANTIC. MASS. Inc. 1 



Reliable Rubber Goods 



MOLDED GOODS 



CRUDE RUBBER STANDARDIZED 



RUBBERIZING OF FABRICS 





:• U. S. Pat. Off 



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



Vol. LIX. No. 



NOVEMBER 1, 1918 



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. 



^: 



M%h.-. 



"Bunovali" Vacuu 



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 Rotary Dryer 



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. 



under the Act of March 3. 1875. 



