FR450941A - Improvements in watches, clocks, etc., with 24-hour time system - Google Patents

Improvements in watches, clocks, etc., with 24-hour time system

Info

Publication number
FR450941A
FR450941A FR450941DA FR450941A FR 450941 A FR450941 A FR 450941A FR 450941D A FR450941D A FR 450941DA FR 450941 A FR450941 A FR 450941A
Authority
FR
France
Prior art keywords
watches
clocks
time system
hour time
hour
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
Marguerite Racaud
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of FR450941A publication Critical patent/FR450941A/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
    • G04B19/06—Dials
    • G04B19/16—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24
    • G04B19/163—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24 numbers which are visible alternately from 1 to 12 and from 13 to 24 on the same dial G04B19/085

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR450941D 1912-11-22 1912-11-22 Improvements in watches, clocks, etc., with 24-hour time system Expired FR450941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR450941T 1912-11-22

Publications (1)

Publication Number Publication Date
FR450941A true FR450941A (en) 1913-04-07

Family

ID=1491318

Family Applications (1)

Application Number Title Priority Date Filing Date
FR450941D Expired FR450941A (en) 1912-11-22 1912-11-22 Improvements in watches, clocks, etc., with 24-hour time system

Country Status (1)

Country Link
FR (1) FR450941A (en)

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