Indiarubber and Gutta Percha; a Complete Practical Treatise on Indiarubber and Gutta Percha in Their Historical, Botanical, Arboricultural, Mechanical, Chemical, and Electrical Aspects;

Indiarubber and Gutta Percha; a Complete Practical Treatise on Indiarubber and Gutta Percha in Their Historical, Botanical, Arboricultural, Mechanical, Chemical, and Electrical Aspects;