Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 797
er is represented as obtained from the weight c, adjustable on the longlever d having its fulcrum at e, and pressing upon the journals of the upper roller by the two spindles//.Crane-power may be applied to raise or lower this weighted lever, by attaching a chain to either of thetwo loops formed…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
