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 56
SO 7 … 51 600 MECHANICAL MOVEMENTS, Type Writer Movements. 548.—Typewriting Machine, patented 1876 549.—Type Wheel Hachine, patented 1856 550.—Movable Tj-pe Plate and Hammer, patented 1868 551.—A common form of rachet device for rotating a tjpewriter car-riage 552.—A Remington Typewriter 553.—A simple…
Patents · Mechanical movements
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