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 204
^1!^ … 740. ARC LIGHT AND REGULATING GEAR, Faucault model. The upper carbon runs downby a rack and gear governed by a fly, which isstopped or let go by variations in the current 741. LUMINOUS FOUNTAIN.—The lower endof the jet nozzle is fitted with a strong disc of plateglass. A concave mirror, placed in…
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.