CH21501A - Device for automatically switching lamps on and off at set times - Google Patents

Device for automatically switching lamps on and off at set times

Info

Publication number
CH21501A
CH21501A CH21501A CH21501DA CH21501A CH 21501 A CH21501 A CH 21501A CH 21501 A CH21501 A CH 21501A CH 21501D A CH21501D A CH 21501DA CH 21501 A CH21501 A CH 21501A
Authority
CH
Switzerland
Prior art keywords
automatically switching
set times
switching lamps
lamps
automatically
Prior art date
Application number
CH21501A
Other languages
French (fr)
Inventor
John Gunning
Original Assignee
John Gunning
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 Gunning filed Critical John Gunning
Publication of CH21501A publication Critical patent/CH21501A/en

Links

CH21501A 1900-04-21 1900-04-21 Device for automatically switching lamps on and off at set times CH21501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH21501T 1900-04-21

Publications (1)

Publication Number Publication Date
CH21501A true CH21501A (en) 1901-08-15

Family

ID=4227032

Family Applications (1)

Application Number Title Priority Date Filing Date
CH21501A CH21501A (en) 1900-04-21 1900-04-21 Device for automatically switching lamps on and off at set times

Country Status (1)

Country Link
CH (1) CH21501A (en)

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