FOR THE RUBBER FACTORY. 



CRUDE Rubber and Compounding Ingred- 

 ients" has been found a veritable encyclopedia 

 of information concerning India-rubber, crude 



and compounded. 



The author, Mr. Henry C. Pearson, editor of The 

 India Rubber World, brought out this book after twenty- 

 five years of practical experience and intimate knowledge 

 of the modern processes of manipulation and compounding. 

 Special attention is given to the grades of crude rubber 

 now on the market and the book also contains a table 

 showing the analysis of typical sorts of crude rubber. 

 Chapters on Gutta-Percha, Reclaimed Rubber, Rubber 

 Substitutes, Vulcanizing Ingredients, Fillers, Coloring Mat- 

 ters, Solvents, Acids, Oils and Alkalies, Gums and Earth 

 Waxes, and Unusual Ingredients are all exhaustively treated. 

 There are tables that show the results of hundreds of ex- 

 periments made by experts and chemists relating to physi- 

 cal tests of India-rubber, analyses of substitutes, compound- 

 ing ingredients, gums, etc. The best work of all the 

 leading English, German and American experts in India- 

 rubber is summarized in this book. 



For Sale by 

 The India Rubber Publishing: Co. 



35 NVest 21st Street, INew York. 



