GB152707A - An improved electrical signalling lamp - Google Patents

An improved electrical signalling lamp

Info

Publication number
GB152707A
GB152707A GB13488/19A GB1348819A GB152707A GB 152707 A GB152707 A GB 152707A GB 13488/19 A GB13488/19 A GB 13488/19A GB 1348819 A GB1348819 A GB 1348819A GB 152707 A GB152707 A GB 152707A
Authority
GB
United Kingdom
Prior art keywords
reflector
improved electrical
lamp
electrical signalling
signalling lamp
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
GB13488/19A
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.)
OPTALYTE Ltd
Original Assignee
OPTALYTE Ltd
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 OPTALYTE Ltd filed Critical OPTALYTE Ltd
Priority to GB13488/19A priority Critical patent/GB152707A/en
Publication of GB152707A publication Critical patent/GB152707A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

152,707. Coulson, W. T., and Optalyte, Ltd. Nov. 28, 1919. S i g n a l lanterns; lens holders special to lanterns.-In an electric signalling-lamp in which the reflector is movable relatively to the lamp bulb, a rearwardly bent flange 2 on the reflector 1 is adjustably screwed into t h e lantern - front holder 3, which is itself adjustably screwed into the lantern casing 6. The reflector may be paraboloidal or spherical.
GB13488/19A 1919-11-28 1919-11-28 An improved electrical signalling lamp Expired GB152707A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB13488/19A GB152707A (en) 1919-11-28 1919-11-28 An improved electrical signalling lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13488/19A GB152707A (en) 1919-11-28 1919-11-28 An improved electrical signalling lamp

Publications (1)

Publication Number Publication Date
GB152707A true GB152707A (en) 1920-10-28

Family

ID=10023855

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13488/19A Expired GB152707A (en) 1919-11-28 1919-11-28 An improved electrical signalling lamp

Country Status (1)

Country Link
GB (1) GB152707A (en)

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