The practical draughtsman's book of industrial design, and machinist's and engineer's drawing companion: forming a complete course of mechanical, engineering, and architectural drawing (1854)
Armengaud, aîné (Jacques-Eugène), 1810-1891, Armengaud, Charles A., 1813-1893, Amouroux, Jules, Cory, William Johnson, 1823-1892 · New York, Stringer & Townsend · leaf 304
ed into the block at h, from behind, for the convenience ofholding the instrument when in use, and the endof this handle ishollowed to receive the small projection, F, on the knife, c, for thefacility of holding it when detached for the purpose of sharpeningthe edge. An adjustable guide, I, is… … Fig. z. In using this instrument, the pencil is simply passed betweenthe two guide-arms, K, and its end is inserted in the conical hole, B.It is then turned round between the finger and thumb, and theknife-edge coming into contact with the end to be sharpened,quickly pares off the material. By this…
Decorative arts · Drawing
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