Ww 



OUAKER" WHITING 



Supplying a NeeA 



rbere is a real need for an independ- 

 ot experimental rubber laboratory. 

 (o room here to tell how it is being 

 applied. But see page 122. 

 REDERICK J. MAYWALD, F.C.S. 

 86 Park Place. Newark, N. J. 



Vol. LXI. No. 



TWO SECTIONS— SECTION I. 



'. vaimde:fieiii.t- 



I* O EAST 4 2nd STRFET 

 MEW YORK 



oo. 



MINERAL RUBBER 



ALFRED HALE RUBBER CC 



Founded 1837 ATLANTIC, MASS. Inc. 19 



Reliable Rubber Goods 



MOU)ED GOODS 



CRUDE RUBBER STANDARDIZED 



RUBBERIZING OF FABRICS 



Edited by HENRY C. PEARSON 



OCTOBER 1, 1919 



$3.00 Per Year. 

 $3.50 Abroad. 



is 



ft) 







4 K 



■'jJtiik^^'- 



^(fi 



(^^ 



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 Dryers 

 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. 



Ve» Y )rk ' 

 17 Battery 



'Tirm 



"Buflokast" Chemical Apparatus 



Apparatus furnished for all standard chemi- 

 cal operations, such as nitration, reduction, 

 denitration, sulphonation, caustic fusion, 

 crystallization, etc Complete chemical 

 plants. 



K LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



