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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 377

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary, 1917, leaf 377
1531^*. ELLIPSOGRAPH with a penand dividers. A small friction drum ismounted inside of the pen blades, or maybe mounted on the handle upon which athread is wound for adjusting the sizeof the ellipse, and is passed through aneye or hole near the end of the pen bladeand around the legs of a dividers,…

Mechanical movements

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