FR624508A - Device for stopping and starting a watch balance - Google Patents

Device for stopping and starting a watch balance

Info

Publication number
FR624508A
FR624508A FR624508DA FR624508A FR 624508 A FR624508 A FR 624508A FR 624508D A FR624508D A FR 624508DA FR 624508 A FR624508 A FR 624508A
Authority
FR
France
Prior art keywords
stopping
starting
watch balance
watch
balance
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
Adamir Marchand
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 FR624508A publication Critical patent/FR624508A/en
Expired legal-status Critical Current

Links

Classifications

    • 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. stop-watch
    • G04F7/065—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 with start-stop control arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR624508D 1925-12-04 1926-11-12 Device for stopping and starting a watch balance Expired FR624508A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE624508X 1925-12-04

Publications (1)

Publication Number Publication Date
FR624508A true FR624508A (en) 1927-07-20

Family

ID=6577997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR624508D Expired FR624508A (en) 1925-12-04 1926-11-12 Device for stopping and starting a watch balance

Country Status (1)

Country Link
FR (1) FR624508A (en)

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