Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 206
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
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