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Bernhard Gutmann
Richard Schmidt
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Publication of GB190217140ApublicationCriticalpatent/GB190217140A/en
17,140. Gutmann, B., and Schmidt, R. Aug.2. Crutches; escapements. - The crutch h being friction-tight on the arbor of the anchor i, the latter may be correctly set when the pendulum is hanging vertical, by means of an engaging small crank f on an arbor c, which has an external pointer a that should oscillate to equal arcs each side of a centre point.
GB190217140D1902-08-021902-08-02Improvements in Devices for Adjusting the Beat of the Pendulum in Clocks.
ExpiredGB190217140A
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