) ir products not as good as 

 ;it to be? Probably I can 

 i how to make them right, 

 inyway. 



IICK J. MAYWALD, F.C.S. 



CONSULTING CHEMIST 



'Phone. 823 John New York 



BUYERS' DIRECTORY 

 PAGE 73 



MARRY IV!. HOPE 

 ENGINEER 



141 MILK STREET BOSTON 



Rubber Mill Engineering ■ Specialty 



INVESTIGATIONS DESIGN'S 



REPORTS SPECIFICATIONS 



APPRAISALS SUPERVISION 



8TEAM POWER PLANTS ELECTRICAL DISTRIBUTION 



lUT CHOUC 



S. Pat. Off. 



tWPEB^ 



Edited by HENRY C. PEARSON— Offices, No. 25 West 45th Street, NEW YORK. 



Vol. LII. No. 4 . 



JULY 1, 1915. 



35 CENTS. 



$3.00 Per Year. 

 $3.50 Abroad. 



ffiM**, 



THE FAULTLESS 

 RUBBER CO. 



^^h> 



Manufacturers of 



RUBBER SUNDRIES TUBING BALLS 



SURGICAL RUBBER GOODS NIPPLES BALLOONS 



SPONGES and SPONGE PRODUCTS FINGER COTS TOYS 



SURGEONS', HOUSEHOLD and ELECTRICIANS' GLOVES 



TRANSPARENT NIPPLES 



Registered Trade Mark 



s 



^^ o %uttt^ -WeWr CU2U£Ifle ^^ 



OFFICE and FACTORY, ASHLAND, O., U. S. A. 



% 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT, INC., BOSTON, MASS. 



