Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 707
are illustrated two forms of hand-drilling machines.In that represented in Fig. 3690, when the crank isturned the wheel A is rotated, and by the cam onthis the rod B both lifts and turns the drill D,against the action of the spiral spring. Theelasticity of the latter supplies the power for…
Mechanical engineering -- Dictionaries
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