CH43708A - Method and device for bringing about a longer burning time of electric incandescent lamps - Google Patents

Method and device for bringing about a longer burning time of electric incandescent lamps

Info

Publication number
CH43708A
CH43708A CH43708A CH43708DA CH43708A CH 43708 A CH43708 A CH 43708A CH 43708 A CH43708 A CH 43708A CH 43708D A CH43708D A CH 43708DA CH 43708 A CH43708 A CH 43708A
Authority
CH
Switzerland
Prior art keywords
bringing
incandescent lamps
burning time
electric incandescent
longer burning
Prior art date
Application number
CH43708A
Other languages
German (de)
Inventor
Wilhelm Herrmann
Original Assignee
Wilhelm Herrmann
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 Wilhelm Herrmann filed Critical Wilhelm Herrmann
Publication of CH43708A publication Critical patent/CH43708A/en

Links

CH43708A 1907-12-16 1907-12-16 Method and device for bringing about a longer burning time of electric incandescent lamps CH43708A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH43708T 1907-12-16

Publications (1)

Publication Number Publication Date
CH43708A true CH43708A (en) 1909-06-01

Family

ID=4274835

Family Applications (1)

Application Number Title Priority Date Filing Date
CH43708A CH43708A (en) 1907-12-16 1907-12-16 Method and device for bringing about a longer burning time of electric incandescent lamps

Country Status (1)

Country Link
CH (1) CH43708A (en)

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