Five hundred and seven mechanical movements (1903)
Brown, Henry T. [from old catalog] · New York, Brown & Seward · leaf 123
ters an eye in the level whichworks on a fulcrum at the middle of thestandard. A similar apparatus is applied ateach end of the boat. The hooks of thetackles hook into the tongues, which aresecure until it is desired to detach the boat,when a rope attached to the lower end ofeach lever is pulled in… … kSli.
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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