j products not as good as 

 It to be? Probably I can 

 I how to make them right. 

 a iyway. 



ICK J. MAYWALD, F.C.S. 



X'NSULTINC CHEMIST 



'Phont. 823 John New York 



BUYERS* DIRECTORY 

 PAGE 73 



ENGINEER 



141 MILK STREET BOSTON 



Rubber Mill Engineering • Specialty 



INVESTIGATIONS 



REPORTS 



APPRAISALS 



STEAM POWER PLANTS 



DESIGNS 



SPECIFICATIONS 



SUPERVISION 



ELECTRICAL DISTRIBUTION 



O u^ ouc 



;W.prj# 



8. Pat. Off. 



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



Vol. LII. No. 5. 



AUGUST 1, 1915. 



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. 



"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. 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, INC., BOSTON, MASS. 



