CH7515A - Observation device adapting to any watch - Google Patents

Observation device adapting to any watch

Info

Publication number
CH7515A
CH7515A CH7515A CH7515DA CH7515A CH 7515 A CH7515 A CH 7515A CH 7515 A CH7515 A CH 7515A CH 7515D A CH7515D A CH 7515DA CH 7515 A CH7515 A CH 7515A
Authority
CH
Switzerland
Prior art keywords
watch
observation device
device adapting
adapting
observation
Prior art date
Application number
CH7515A
Other languages
French (fr)
Inventor
Eug Clemence-Beurret
Original Assignee
Clemence Beurret Eug
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 Clemence Beurret Eug filed Critical Clemence Beurret Eug
Publication of CH7515A publication Critical patent/CH7515A/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH7515A 1893-12-16 1893-12-16 Observation device adapting to any watch CH7515A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH7515T 1893-12-16

Publications (1)

Publication Number Publication Date
CH7515A true CH7515A (en) 1894-07-31

Family

ID=4194341

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7515A CH7515A (en) 1893-12-16 1893-12-16 Observation device adapting to any watch

Country Status (1)

Country Link
CH (1) CH7515A (en)

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