FR457E - Compteur horaire perfectionné - Google Patents

Compteur horaire perfectionné

Info

Publication number
FR457E
FR457E FR457A FR457DA FR457E FR 457 E FR457 E FR 457E FR 457 A FR457 A FR 457A FR 457D A FR457D A FR 457DA FR 457 E FR457 E FR 457E
Authority
FR
France
Prior art keywords
advanced
hour meter
meter
hour
advanced 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
FR457A
Other languages
English (en)
Inventor
C Lambert
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 FR457E publication Critical patent/FR457E/fr
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
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR457A 1902-05-16 1902-05-16 Compteur horaire perfectionné Expired FR457E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR310951T
FR457T 1902-05-16

Publications (1)

Publication Number Publication Date
FR457E true FR457E (fr) 1903-01-14

Family

ID=40459672

Family Applications (1)

Application Number Title Priority Date Filing Date
FR457A Expired FR457E (fr) 1902-05-16 1902-05-16 Compteur horaire perfectionné

Country Status (1)

Country Link
FR (1) FR457E (fr)

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