Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 854
disk A,faced on its lower side, and provided with crossing grooves EE for oil. This disk abuts against asimilar piece B, of square horizontal section, turned true on top and terminating below in a convexsurface, rocking on the bottom of the box C in which the step is contained. B is provided with… … 4020.
Mechanical engineering -- Dictionaries
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
