A practical treatise on caoutchouc and gutta percha, comprising the properties of the raw materials and the manner of mixing and working them; with the fabrication of vulcanized and hard rubbers, caoutchouc and gutta percha compositions, waterproof substances, elastic tissues, the utilization of waste, etc T Technology
Cocoa and chocolate : a short history of their production and use, with full and particular account of their properties, and of the various methods of preparing them for food T Technology
The El Dorado, Arkansas, oil and gas field; geological outline, operation methods, conservation T Technology
Building materials, their nature, properties and manufacture : a text-book for students and others T Technology
