Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 704
> more perf :tion, is represented in Fig. 8392. [t consists of a mounted on a horizontal axis, with a knol or tin- hand at the extremity of the long arm, which i^ at the right in the figure. This lever is thrown up by a Bpring, bo a- to avoid contact with theon the frami rben the lever ia…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
