.bber Laboratory 



NOT A i 



p 



eccssary apparatus for all kinds of 

 < — compounding ' ' *"' 



ytical. 



ng and experimental, as 



BUYERS' DIRECTORY 70 



RAIN COAT 



IICK J. MAYWALD, F.C.S. 



CONSULTING CHEMIST 



'Phone. 823 John New York 



mrLEBS THIS OIKOmjiB 

 KEOIBTEaES TEASE- 

 KAH K IB 8TAKFED OH 

 THZ IMBm, 



yARK.i 





Edited by HENRY C. PEA RSON— Offices, No. 15 West 38th Street, NEW Y^RK^ 



Vol XLVIII. No. 2. 



MAY 1, 1913. 



35 CENTS. 



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 $3.50 Abroad. 



•SEO w 1 ••*T OFi 



THE HOME OF 



REG.U.S.PAT.OFF. 



RUBBER GOODS 



<^£^ 



'*tO WS **' OfK" 



. 



THE FAULTLESS RUBBER CO. 



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LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT. INC., BOSTON. MASS. 



