ibber Laboratory 



aeceisary apparatus for all kinds of 

 k — compounding and experimental, aa 



HICK J. MAYWALD, F.C.S. 



CONSULTING CHEMIST 



'Phone, 833 John N«w York 



NOT A ,^ff 



BUYERS' DIRECTORY 70 



RAIN COAT 



UNLESS THIS CIECXTIAR 



REG 



REGISTEEED 



^- 



QlTTA-PEB'^' 



Edited by HENRY C. PEARSON— Offices, No. 15 West 38th Street, NEW YORK. 



Vol. XL VIII. No. 5. 



AUGUST 1, 1913. 



35 CENTS. 



$3.00 Per Year. 

 $3.50 Abroad. 



(^^ 



THE HOME OF 



(; ^iM^ 



REG.U-S.PAT.OFF. 



"eiO V ) PAT OFBT 



RUBBER GOODS 



*ece v» »av ori^ 



THE FAULTLESS RUBBER CO. 



Ashland, Ohio, U. S. A. 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT. INC.. BOSTON, MASS. 



