GB249737A - Improvements in or relating to electric glow lamps - Google Patents

Improvements in or relating to electric glow lamps

Info

Publication number
GB249737A
GB249737A GB2073725A GB2073725A GB249737A GB 249737 A GB249737 A GB 249737A GB 2073725 A GB2073725 A GB 2073725A GB 2073725 A GB2073725 A GB 2073725A GB 249737 A GB249737 A GB 249737A
Authority
GB
United Kingdom
Prior art keywords
relating
cap
glow lamps
electric glow
holder
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2073725A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2073725A priority Critical patent/GB249737A/en
Publication of GB249737A publication Critical patent/GB249737A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
    • H01K9/04—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies with built-in manually operated switch

Landscapes

  • Connecting Device With Holders (AREA)

Abstract

249,737. Marchi, B. Aug. 18, 1925. Multiple -filament lamps comprising a bayonet cap bulb and lamp - holder, arranged so that by manually rotating the cap in the holder the several filaments may be successively inserted in circuit, have a stop-pin C on the sleeve A engaging different hollows B<1> - - B<111> of a slot in the collar B whereby different contacts d<1> - - d<3> on the cap are inserted. The filaments and leading-in wires are so arranged as to be separated one from another.
GB2073725A 1925-08-18 1925-08-18 Improvements in or relating to electric glow lamps Expired GB249737A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2073725A GB249737A (en) 1925-08-18 1925-08-18 Improvements in or relating to electric glow lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2073725A GB249737A (en) 1925-08-18 1925-08-18 Improvements in or relating to electric glow lamps

Publications (1)

Publication Number Publication Date
GB249737A true GB249737A (en) 1926-04-01

Family

ID=10150801

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2073725A Expired GB249737A (en) 1925-08-18 1925-08-18 Improvements in or relating to electric glow lamps

Country Status (1)

Country Link
GB (1) GB249737A (en)

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