Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 86
m over a steel mandrel held as a core in a cylinderof iron. As the material is hot on emerging, the sides of the tube would naturally stick together.To prevent this, the tube as fast as it is formed is led through a vat of water some 50 feet in length. GUTTA-PERCHA. 77 The water, pressing equally… … An important utilization of gutta-percha is as an insulating material for electrical conducting,wires. A thin coating of the gum may be applied to a wire by passing the latter through a vesselcontaining the gutta-percha in a melted state. This method, however, does not answer for applyingthe…
Mechanical engineering -- Dictionaries
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