Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 599
he periphery of this wheel is divided into fourteen equal parts, andSs cut so as to have onit thirteen tooth-like projections ddd, Fig. 3256, the part d occupying two of the fourteen divisions,leaving twelve, dd, equal in size. Each of these projections operates as a cam in causing the cutter… … I I I
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
