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Buderer & C R
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Buderer & C R
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Application filed by Buderer & C RfiledCriticalBuderer & C R
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Publication of FR420224ApublicationCriticalpatent/FR420224A/fr
G04F3/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork
G04F3/02—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with mechanical driving mechanisms
G04F3/04—Additional arrangements in connection with ordinary non-electric clocks for this purpose
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Physics & Mathematics
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General Physics & Mathematics
(AREA)
FR420224D1910-08-101910-08-10Interrupteur à temps pour installations d'éclairage électrique
ExpiredFR420224A
(fr)