B of Rubber Manufacture 

 ■tly problems of chemistry. 

 sip you with them. 



RICK J. MAYWALD. F.C.S. 



CONSULTING CHEMIST 

 •Phone, 823 John 



BUYERS' DIRECTORY 

 PAGE 73 



IHARRY IVI. IHOF>E 



ENGINEER 



141 MILK STREET BOST< 



Rubber Mill Engineering a Specialty 



I.NVESTIGATIONS DESIQNS 



RKPOETS SPBCIFICATIONS 



APPHAJSALS SUPBRV18I0N 



STBAM POWBB PLANTS BLBCTBICAL DISTRIBX3T 





r. 8. Pat. Off, 



Edited by HENRY C. PEARSON— Offices, No. 25 West 4Sth Street, NEW YORK. 



Vol. LIII. No. 4. 



JANUARY 1, 1916. 



35 CENTS. »3.oo Per Year. 



$3.50 Abroad. 



?EC. US PAT O 



The Faultless Rubber Company 



ASHLAND, OHIO, U. S. A. 



Manufacturers of 



Rubber Sundries — Surgical Rubber Goods 



Surgeons'-Household-Electricians' Rubber Gloves 



Sponges — Sponge Products — Transparent Nipples 



Tubing — Finger Cots — Balls — Toys — Novelties 



Under These Registered Trade Marks 



c ^mU^ 



"W^orm/tr^ 



LAMPBLACKS ESPECIALLY FOR RUBBER MANUFACTURE 



SAMUEL CABOT. INC., BOSTON. MASS. 



