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
re rectangular pieces of stoutmetal, and are dropped into sUts made thiough the rim of the drum, their length being equal to thatof the case, and their width to the distance between its rim and the D piece. They are moved by acrank attached to tlie drum-axle. To lessen the friction and compensate…
Mechanical engineering · Mechanics · Engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
