Printing; a practical treatise on the art of typography as applied more particularly to the printing of books; (1890)
Jacobi, Charles Thomas, 1853-1933 · London : G. Bell and sons · leaf 27
dy finished, but we cannot Fig. 6.recommend them. Type-metal.—The component parts are generally lead,tin, and antimony; this last is used to obtain the re-quisite hardness and clearness of face, while the tin has theeffect of imparting additional toughness to the metal.The proportion of these… … Fig. 7. limited extent. Of course the metal used for quadrats and leads is of a lower standard in composition—lead form-ing the greatest bulk in all instances, and especially so in TYPE METALS. 7 the latter. In the so-called hard metals, the proportionof tin and antimony is increased, and sometimes…
Printing
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