tl work. tjcperiment and 

 cal knowledge together are 

 lary for advancement in 

 r manufacturing. Let me 



ERICK J. M AY W ALD. F, C. S. 



:;ONSVLTING CHEMIST 

 St„ New York 

 t 823 John 



Founded 1837 



Inc. 



BOSTON, MASS. 



Manufacturers of 

 DIVING DRESSES WADINO 1 



MOULDED GOODS CEI 



UNVULCANIZED GUMS OF ALL KINl 

 Rubber flashed. Dried, Treated and S 



V. S. Pat. Off. 



;Gutta.PercH'^ 



Beg. United KIngdoni 



Edited by HENRY C. PEARSON— Offices, No. 25 West 4Sth Street, NEW YORK. 



Vol. tV. No. 3. 



DECEMBER I. 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 



"Buflovak" Vacuum Rotary Dryer 



Buffalo Foundry & Machine Co. buffaloTi^y: 



NEW YORK OFFICE: 1432 WhitehaU Building, 17 Battery Place 



•ODD 

 S PI 



q: 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, INC., BOSTON. MASS. 



:a island 



jyf»tiaim 



:eler 



R. J.CALDWELL CO.,Inc. 



IVIILLS AX 

 DAIMIELSOIV, CONIS 

 SHERBROOKE, P.C 



