"QUAKER " WHITING 



T. vande:ri 



Supplying a Need. 



e it a real need for an independ' 

 izperimental rubber laboratory 

 oom here to tell how it is beinj 



But see page 118. 



)EiUCK J. MAYWALX), F.C.S. 



Park PUce, Newark. N. J. 





U. S. Pat. Off. 



JL.T OO. 



EASX 42nd STRFET 

 NEW VORK 



MINERAL RUBBER 

 ALFRIilD HALIL RUBBER CO 



Founded 1837 ATLANTIC, MASS. Inc. 190G 



Reliable Rubber Goods 



MOLDED GOODS 



CRUDE RUBBER STANDiVRDIZED 



RUBBERIZING OF FABRICS 



Vol. LXI. No. 2. 



%m-?^^^ 



Reg. United Kingrdom 



Edited by HENRY C. PEARSON 



NOVEMBER 1, 1919 



$3.00 Per Year. 

 $3.50 Abroad 



"^mf 







mi 



mm 



Vacuum Dryers for Rubber 



There is ONE SURE WAY to keep yourself from being disappointed 

 when buying vacuum dryers — ^and that is to ADHERE to the policy of 

 buying quality. Even though you may pay a little more at the start, you 

 are sure to PAY LESS in the end. 



"Buflovak" Vacuum Dryers 



Vacuum Shelf, Rotary and Drum Dryer* 

 Impregnating Apparatus — Condensers 

 Dry Vacuum Pumps 

 Solvent Reclaiming Apparatus 



"Buflovak" Evaporators 



All types and for any capacity 



Buffalo Foundry 

 and Machine Co. 



1577 Fillmore Ave. 

 BUFFALO, N. Y. 



New York Office: 

 17 Battery Place 



"Buflokast" Chemical Apparatus 



Apparatus furnished for all sUndard chemi- 

 cal operations, such as nitration, reduction, 

 denitration, sulphonation, caustic fusion, 

 crystallization, etc Complete chemical 

 plants. 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT. INC.. BOSTON. MASS. 



Entered as aecond-claas matter October 4, lg», at the post office at Nc^vr York, N. Y., under the Act of March S, ItJf. 



