American model builder: the toy for the boy. (1913)
American Mechanical Toy Co. · American Mechanical Toy Co. · leaf 76
brake. Method of meshing gears with Simple form of Simple form of lock for crank Ratchet pawl can be dropped to mitted from a pinions. If motor is belted to the by attaching an angle bracket tc lock brake in position. By pull- axle holding the pinion the speed the side of a plate or strip. ing a… … No. 14 This illustrates the use of the No. 15 No. 17 ratchet pawl. The ratchet can be illustrates how a piston is op- thrown from one side of the pin- Illustrates how a crank motion . erated from an engine crank. This era’ b ion to the other, depending upon can be obtained by attaching a…
Toys -- building · Toys -- architectiral
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![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten19unit-724-0.webp)
