Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 225
ndard b, the spindles ff converge; the hooks in the spindles are therefore necessary to form a uni-versal joint. The second description of buttons without shanks consists of thin disks of wood or bone,called moulds, covered with silk, cloth, or other similar materials. The bone for the moulds is… … at b b, is screwed a tool c, and on the other are two collars dd, between which a forked level e embracesthe shaft, the fulcrum of which is at/. The spindle a is put in rapid motion by a band g passing overthe pulley h, and over a band-wheel worked by a treadle; and the workman, holding the…
Mechanical engineering · Mechanics · Engineering
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