The inventor's universal educator : An educational cyclopaedia and guide for inventors, patentees, manufacturers, mechanics and all others connected directly or indirectly with patents (1906)
Dieterich, Fred G., 1858-1923, comp · Washington, D.C. : F. G. Dieterich · leaf 58
52 … 600 MECHANICAL MOVEMENTS, Cash Register riovements. 582.—Indicates a Means for Rotating an Indicator Disk by Spiral Cam 583.—Indicates a form of Cash Reg-ister for Plung-er Keys... 584.—Inlicates the g-eneral appearance of the form of Reg-ister shown in £83 585. Shows a simple Cash Register Key…
Patents · Mechanical movements
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