Aperçu gratuit du livre 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 Substa
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 Substa