CH9974A - Chronograph-counter for races with three central hands and minute counter - Google Patents

Chronograph-counter for races with three central hands and minute counter

Info

Publication number
CH9974A
CH9974A CH9974A CH9974DA CH9974A CH 9974 A CH9974 A CH 9974A CH 9974 A CH9974 A CH 9974A CH 9974D A CH9974D A CH 9974DA CH 9974 A CH9974 A CH 9974A
Authority
CH
Switzerland
Prior art keywords
counter
chronograph
races
minute
hands
Prior art date
Application number
CH9974A
Other languages
French (fr)
Inventor
P-L Droz
Original Assignee
Droz P L
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 Droz P L filed Critical Droz P L
Publication of CH9974A publication Critical patent/CH9974A/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)
CH9974A 1895-02-01 1895-02-01 Chronograph-counter for races with three central hands and minute counter CH9974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH9974T 1895-02-01

Publications (1)

Publication Number Publication Date
CH9974A true CH9974A (en) 1895-09-30

Family

ID=4200028

Family Applications (1)

Application Number Title Priority Date Filing Date
CH9974A CH9974A (en) 1895-02-01 1895-02-01 Chronograph-counter for races with three central hands and minute counter

Country Status (1)

Country Link
CH (1) CH9974A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2641900A (en) * 1951-01-10 1953-06-16 Jeanneret & Co R Timepiece with chronograph
EP2133760A3 (en) * 2008-06-05 2011-03-16 Manufacture La Joux-Perret SA Watch with split-time counter
EP2211243A3 (en) * 2009-01-21 2016-01-06 MONTBLANC-SIMPLO GmbH Chronograph

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2641900A (en) * 1951-01-10 1953-06-16 Jeanneret & Co R Timepiece with chronograph
EP2133760A3 (en) * 2008-06-05 2011-03-16 Manufacture La Joux-Perret SA Watch with split-time counter
EP2211243A3 (en) * 2009-01-21 2016-01-06 MONTBLANC-SIMPLO GmbH Chronograph

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