158 THE INDIA RUBBER WORLD [January i, 1909. 



QUAVU 



Made by mechanical process only, of strictly fresh shrub. 



No chemicals used. 



PARRA 



The recognized Standard, practically clean, containing less resin and 

 having greater tensile strength than any other Guayule. 



Prepared from high grade " Parra" Guayule, guaranteed uniform, 

 washed and dried, ready for use. Vulcanizes easily without special 

 compounding. 



CONTRACTS MADE FOR REGULAR WEEKLY 

 OR MONTHLY DELIVERIES 



For Samples and Quotations apply to 



ED. MAURER 



97 Water St., NEW YORK 



Sole Representative of the MADERO interests in Mexico, 



Largest Producers of Guayule Rubber, Operating Nine Factories. 



Mention The India Rubber World when you write. 



