GB533492A - Improvements relating to screening lights - Google Patents

Improvements relating to screening lights

Info

Publication number
GB533492A
GB533492A GB2992039A GB2992039A GB533492A GB 533492 A GB533492 A GB 533492A GB 2992039 A GB2992039 A GB 2992039A GB 2992039 A GB2992039 A GB 2992039A GB 533492 A GB533492 A GB 533492A
Authority
GB
United Kingdom
Prior art keywords
lights
screening
improvements relating
bailey
lamps
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
GB2992039A
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.)
STEPHEN HENRY BAILEY
Original Assignee
STEPHEN HENRY BAILEY
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 STEPHEN HENRY BAILEY filed Critical STEPHEN HENRY BAILEY
Priority to GB2992039A priority Critical patent/GB533492A/en
Publication of GB533492A publication Critical patent/GB533492A/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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00

Landscapes

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

Abstract

533,492. Lamps for black-out conditions. BAILEY. S. H. Nov. 13, 1939, No. 29920. [Class 75 (ii)] A piece of glass inserted through a slot in an opaque shade covering a light source enables a certain amount of edge lighting to be produced.
GB2992039A 1939-11-13 1939-11-13 Improvements relating to screening lights Expired GB533492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2992039A GB533492A (en) 1939-11-13 1939-11-13 Improvements relating to screening lights

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2992039A GB533492A (en) 1939-11-13 1939-11-13 Improvements relating to screening lights

Publications (1)

Publication Number Publication Date
GB533492A true GB533492A (en) 1941-02-13

Family

ID=10299339

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2992039A Expired GB533492A (en) 1939-11-13 1939-11-13 Improvements relating to screening lights

Country Status (1)

Country Link
GB (1) GB533492A (en)

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