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Publication of CH4266ApublicationCriticalpatent/CH4266A/de
G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
G04F7/06—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator running only during the time interval to be measured, e.g. stop-watch
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CH4266A1891-08-251891-08-25Vorrichtung zum Arretiren von Uhrwerken
CH4266A
(de)