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Mechanical movements, powers, devices and appliances; (1903)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 376

An illustration from Mechanical movements, powers, devices and appliances;, 1903, leaf 376 — 1531.SPHEROMETER.—For meas-uring the curves of spherical surfaces orof templates of lenses by means of agraduated follower at the centre betweentwo bearings. The scale and nonius arecomputed for the versed sine of a fixedchord length.

Mechanical movements

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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