CH947A - Watch with two independent timers - Google Patents

Watch with two independent timers

Info

Publication number
CH947A
CH947A CH947A CH947DA CH947A CH 947 A CH947 A CH 947A CH 947 A CH947 A CH 947A CH 947D A CH947D A CH 947DA CH 947 A CH947 A CH 947A
Authority
CH
Switzerland
Prior art keywords
watch
independent timers
timers
independent
Prior art date
Application number
CH947A
Other languages
French (fr)
Inventor
Frederic Tschoumy
Original Assignee
Frederic Tschoumy
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 Frederic Tschoumy filed Critical Frederic Tschoumy
Publication of CH947A publication Critical patent/CH947A/en

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
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • G04B19/025—Back-gearing arrangements between gear train and hands for simultaneous indicating on several dials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH947A 1889-05-11 1889-05-11 Watch with two independent timers CH947A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH947T 1889-05-11

Publications (1)

Publication Number Publication Date
CH947A true CH947A (en) 1889-08-09

Family

ID=4179112

Family Applications (1)

Application Number Title Priority Date Filing Date
CH947A CH947A (en) 1889-05-11 1889-05-11 Watch with two independent timers

Country Status (1)

Country Link
CH (1) CH947A (en)

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