CH20460A - New dead and independent seconds mechanism for watches - Google Patents

New dead and independent seconds mechanism for watches

Info

Publication number
CH20460A
CH20460A CH20460A CH20460DA CH20460A CH 20460 A CH20460 A CH 20460A CH 20460 A CH20460 A CH 20460A CH 20460D A CH20460D A CH 20460DA CH 20460 A CH20460 A CH 20460A
Authority
CH
Switzerland
Prior art keywords
watches
new dead
seconds mechanism
independent seconds
independent
Prior art date
Application number
CH20460A
Other languages
French (fr)
Inventor
A Frankfeld
Original Assignee
A Frankfeld
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 A Frankfeld filed Critical A Frankfeld
Publication of CH20460A publication Critical patent/CH20460A/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH20460A 1899-12-11 1899-12-11 New dead and independent seconds mechanism for watches CH20460A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH20460T 1899-12-11

Publications (1)

Publication Number Publication Date
CH20460A true CH20460A (en) 1901-01-31

Family

ID=4224655

Family Applications (1)

Application Number Title Priority Date Filing Date
CH20460A CH20460A (en) 1899-12-11 1899-12-11 New dead and independent seconds mechanism for watches

Country Status (1)

Country Link
CH (1) CH20460A (en)

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