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Application filed by Ignaz SchwarzfiledCriticalIgnaz Schwarz
Publication of CH49640ApublicationCriticalpatent/CH49640A/de
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
G04B19/00—Indicating the time by visual means
G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
G04B19/24386—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator sheet-shaped
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Physics & Mathematics
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CH49640A1910-02-121910-02-12Vorrichtung zum selbsttätigen Abziehen von Blockkalenderblättern
CH49640A
(de)