XXXII 



THE INDIA RUBBER WORLD 



[August j, 1903. 



RUBBER TUBING WORK 



most nearly approaches perfection 

 in our Perfected Tubing machines. 

 These machines are notable both 

 for the perfection of their work 

 and their great capacity. One of 

 them will equal in output a half- 

 dozen ordinary machines, and with 

 output a vital factor in the compe- 

 tition for business they become 

 great profit earners, 



JOHN ROYLE & SONS, Paterson, N. J., U. S. A, 



Mention The India Rubber World when you write 



CLARK'S 



Reliable Tubing Machine 



FOR THE MANUFACTURE OF RUBBER TUBING AND CORD, 

 And also the Covering of Electrical and Telephone Cables. 



MANUFACTURED IN 4 SIZES BY 



EDRED W. CLARK, Machinist, 



Rubber Moulds and Rubber Machinery, Screw and Hydraulic Presses a Specialty. 

 No. 31 WELLS STREET, HARTFORD, CONN. 

 ;< The India Rubber World when you write. 



THE 



MASON 



Reducing Valves 



ARE THE WORLD'S STANDARD VALVES. 



For automatically reducing and absolutely 

 aiajQtalaiog ati eves steam 01 air pressure. 



They are adapted for every need and guaranteed 

 to work perfectly in every instance. 



I'.' .mi .1 : 'P- •«[■ 



THE MASON REGULATOR CO. 



Boston. 



Maa.,VJ.Jt 



Journal d'Agriculture Tropicale, 



AGRICULTURAL, SCIENTIFIC, COnHERCIAL. 



PUBLISHED BY 



J. VILBOUCHEVITCH, 



10, Rue Delambre, Paris, (France.) 



Subscription : g, N x E VE> 



IX MONTHS, 



20 FRANCS. 

 10 FRANCb. 



The Journal ok Tropical Agriculture deals with all branches of 



tropical cultivation, giving prominence to the planting of Caoutchouc ami the 

 scientilic study of Caoutchouc species. The Journal is international in 

 character, and is planned especially to interest readers in all lands where the 

 French language is spoken or read. 



Mention The India Rubber World when you write. 



