CH5520A - Improved chronograph - Google Patents

Improved chronograph

Info

Publication number
CH5520A
CH5520A CH5520A CH5520DA CH5520A CH 5520 A CH5520 A CH 5520A CH 5520 A CH5520 A CH 5520A CH 5520D A CH5520D A CH 5520DA CH 5520 A CH5520 A CH 5520A
Authority
CH
Switzerland
Prior art keywords
chronograph
improved
improved chronograph
Prior art date
Application number
CH5520A
Other languages
German (de)
Inventor
William-Henry Douglas
Original Assignee
Douglas William Henry
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 Douglas William Henry filed Critical Douglas William Henry
Publication of CH5520A publication Critical patent/CH5520A/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
    • G04F7/06—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
CH5520A 1892-07-02 1892-07-02 Improved chronograph CH5520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5520T 1892-07-02

Publications (1)

Publication Number Publication Date
CH5520A true CH5520A (en) 1893-01-31

Family

ID=4189618

Family Applications (1)

Application Number Title Priority Date Filing Date
CH5520A CH5520A (en) 1892-07-02 1892-07-02 Improved chronograph

Country Status (1)

Country Link
CH (1) CH5520A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652921A1 (en) * 1989-10-10 1991-04-12 Dubois Gerald ANALOGUE DISPLAY DEVICE FOR A WATCHMAKING MOVEMENT.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652921A1 (en) * 1989-10-10 1991-04-12 Dubois Gerald ANALOGUE DISPLAY DEVICE FOR A WATCHMAKING MOVEMENT.
CH677307GA3 (en) * 1989-10-10 1991-05-15

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