The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose; (1902)
Barber, Thomas Walter. [from old catalog] · New York, Spon & Chamberlain · leaf 335
. Bent handle, with looped end. 2561. Handle key for cock. 2562. Handwheel lock nuts for a screwed bolt or other fastening. 2563. Coned handle. 2564. Cranked key or spannei*. 2565. Loop handle for plain lever. 2566. Hinged spanner for tightening nuts or screwed glands, having pin holes or notched…
Mechanical movements
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