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Application filed by Piguet William AlfredfiledCriticalPiguet William Alfred
Publication of CH5310ApublicationCriticalpatent/CH5310A/fr
G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
G04B13/00—Gearwork
G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement
G—PHYSICS
G04—HOROLOGY
G04F—TIME-INTERVAL MEASURING
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. stopwatches
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
CH5310A1892-05-271892-05-27Chronographe sans engrenage pour montre quart ou cinquième de seconde dite foudroyante
CH5310A
(fr)