Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 612
; I 1 1 … tten \\ ill I if th* be fn m left to right, I in md and n t I ■ ■■ i i 600 . SEA-LIGHTS. dial slots kkk, through which pass three small round pins projecting from the cutters, for the purposeof guiding them in a rectilinear motion. In the operation of screwing, the head of the bolt is caught in the…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-489-279.webp)
