Bonditions in rubber manu- 

 ; make the chemist more 

 f than ever. I can help you 

 r problems. 



tICKJ.MAYWALD.F.C.S 



ALFRED HALE RUBBER CC 



Founded 1837 



BOSTON, MASS. Inc. 19 



Manufacturers of 

 DIVING DRESSES WADING PAN 



MOULDED GOODS CEMEN 



UNVULCANIZED GUMS OF ALL KINDS. 

 Rubber ff'ashed. Dried. Treated and Sheet 





^Gutia-PebcH'^ 



B«e. TJolted Kui«da 



Edited by HENRY C. PEARSON— Offices, No. 25 West 45th Street. NEW YORK. 



Vol. LIV. No. 



TUNE 1, 1916. 



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 

 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 



Rotary Dryer 



D f f 1 17 J DHL* r» 52 Winchester Ave, 



Dunalo roundry & Machine to. buffalo. n.y 



NEW YORK OFFICE: 1432 WhitehaU Buildi ng, 17 Battery Place 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, INC., BOSTON. MASS. 



