FR590799A - Calendar clocks - Google Patents

Calendar clocks

Info

Publication number
FR590799A
FR590799A FR590799DA FR590799A FR 590799 A FR590799 A FR 590799A FR 590799D A FR590799D A FR 590799DA FR 590799 A FR590799 A FR 590799A
Authority
FR
France
Prior art keywords
calendar clocks
clocks
calendar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Gerald Mason Van Dyke
Hugh Kenneth Macdougall
Thomas Jeeferson Mcnally
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR590799A publication Critical patent/FR590799A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • 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
    • G04B19/247—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 disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR590799D 1924-12-18 1924-12-18 Calendar clocks Expired FR590799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR590799T 1924-12-18

Publications (1)

Publication Number Publication Date
FR590799A true FR590799A (en) 1925-06-23

Family

ID=8963665

Family Applications (1)

Application Number Title Priority Date Filing Date
FR590799D Expired FR590799A (en) 1924-12-18 1924-12-18 Calendar clocks

Country Status (1)

Country Link
FR (1) FR590799A (en)

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