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Maurice Couade
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Individual
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Publication of GB190907078ApublicationCriticalpatent/GB190907078A/en
Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like
(AREA)
Abstract
7078. Couade, M. April 4, 1908, [Convention date]. Speed, regulating. - A device for rendering the speed of a gramophone or phonograph record constant consists of a coil spring C fixed to the arbor D of the turntable E and engaging frictionally the inside of a box A formed integral with a wheel B driven by an electric motor. The governor F is driven in the ordinary way and controlled by a brake G.
GB190907078D1908-04-041909-03-24Improvements in and relating to Phonograph and the like Driving Gear.
ExpiredGB190907078A
(en)