r products not as good as 

 it to be? Probably I can 

 how to make them right. 

 myway. 



;CK J. MAYWALD, F.C.S. 



ONSULTJNC CHEMIST 



■rh~n.. S23 Jmhn New York 



f* 



NOT A 



,P 



BUYERS' DIRECTORY 73 



RAIN COAT 



UNLESS THIS CIBOTLAJt 

 EE0I8TEBZD TRjLDE- 

 MAR K IB 8TAXPED ON 

 THE INSIDE. 



^fCHOUC 

 V<9 #' 



tWP^ 



Edi ted by HENRY C. PEARSON— Offices, No. 25 West 45 th St reet, NEW YORK. 



Vol. LI. No. 5. 



FEBRUARY 1. 1915. 



35 CENTS. 



$300 Per Year. 

 $3.50 Abroad. 



EDWARD MAURER CO., Inc. 



80 Maiden Lane 



NEW YORK 



CRUDE RUBBER 



Guayule 



Gutta Percha 



Balata 



Vo 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, INC„ BOSTON, MASS. 



