Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 541
In Fig. 3142 the axis of the drum or smaller cylinder is so placed as to cause its peripherv 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, bemg notched so as to allow them…
Mechanical engineering · Mechanics · Engineering
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