DO YOU KNOW 



at you are bcrDlng under your boilers? Tes. 



Coal, but is It the rl^'bt klud of coal? Lot 



analyze It for you. and tben you will know. 



FBJSD'K J. MAYWALD, F. C. B., 



Coiuultingr Chemist, 



pine St., 'Phone. 823 John, New York City. 



TABLE OF CONTENTS 270 

 BUYERS' DIRECTORY 52 



rr 



NOT A 



p 



RAIN COAT 



UNLESS THIS CIRCULAR 

 REGISTERED TRADE- 

 MARK IS STAMPED ON 

 THE INSIDE. 



^-?0^ 



Edited by HENRY C. PEARSON— Offices, No. 395 Broadway, NEW YORK. 



Vol. XL. No. I. 



APRIL 1, 1909. 



35 CENTS. 



$3.00 Per Year. 

 $3.50 Abroad. 



u 



e 

 e 



t/> 



t/» 



CONTINENTAL RUBBER CO 



THE LARGEST PRODUCERS IN THE WaRLD 



UAYUL 



Regular Brands 

 "CIRCLE" "TRIANGLE" 



"SQUARE" "TORREON" 



other Grodes Produced to Suit Special Needs In Rubber Manufacture 



EXECUTIVE orncES 



No. Ill Broadway, New York, N. Y., U. S. A. 



Eactory: TORREON, MEXICO 



5 jQ 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, BOSTON, MASS 



Hi 



'i^e 





S 



OQ, 



