CH68411A - Fire alarm - Google Patents

Fire alarm

Info

Publication number
CH68411A
CH68411A CH68411A CH68411DA CH68411A CH 68411 A CH68411 A CH 68411A CH 68411 A CH68411 A CH 68411A CH 68411D A CH68411D A CH 68411DA CH 68411 A CH68411 A CH 68411A
Authority
CH
Switzerland
Prior art keywords
fire alarm
alarm
fire
Prior art date
Application number
CH68411A
Other languages
French (fr)
Inventor
John Stevens
Original Assignee
John Stevens
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 John Stevens filed Critical John Stevens
Publication of CH68411A publication Critical patent/CH68411A/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
    • G04B23/00—Arrangements producing acoustic signals at preselected times

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
CH68411A 1913-07-28 1913-07-28 Fire alarm CH68411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH68411T 1913-07-28

Publications (1)

Publication Number Publication Date
CH68411A true CH68411A (en) 1915-03-16

Family

ID=4315851

Family Applications (1)

Application Number Title Priority Date Filing Date
CH68411A CH68411A (en) 1913-07-28 1913-07-28 Fire alarm

Country Status (1)

Country Link
CH (1) CH68411A (en)

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