Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 541
In Fig. 3142 the axis of the drum or smaller cylinder is so placed as to cause its periphery to rubagainst the inner circumference of the case. Two rectangular pistons, whose lengths are equal to theinternal diameter of the case, cross each other at right angles, being notched so as to allow them…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
