Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 139
shown at fig. 2417, side elevation; fig.2418 end elevation, and fig. 2419 section through vertical screw. The lift of this jack is effected by means of a crank, or lever, applied to the axis a, which works thobevel-geer b c, the latter geer being cut on the projecting face of the nut c ; the…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
