The advanced machinist; a practical and educational treatise, with illustrations (1903)
Hawkins, Nehemiah, 1833- · New York, T. Audel · leaf 273
291. Fig. 292. Fig. 293. Fig. 294. Fig. 291 is a snatch block; fig. 292 adouble, or two-sheave block ; fig. 293 is athree-sheave block; fig. 294 is a snatchblock with disconnecting side strap. Fig. 295 illustrates a wall crane, de-signed for use with a lathe, slotting planeror, in fact, any tool in…
Machine-tools · Machine-shop practice
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