GB524334A - Improvements in and relating to luminairs - Google Patents

Improvements in and relating to luminairs

Info

Publication number
GB524334A
GB524334A GB2879/39A GB287939A GB524334A GB 524334 A GB524334 A GB 524334A GB 2879/39 A GB2879/39 A GB 2879/39A GB 287939 A GB287939 A GB 287939A GB 524334 A GB524334 A GB 524334A
Authority
GB
United Kingdom
Prior art keywords
luminairs
street lighting
relating
holophane
luminair
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
GB2879/39A
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.)
Holophane Ltd
Original Assignee
Holophane 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 Holophane Ltd filed Critical Holophane Ltd
Priority to GB2879/39A priority Critical patent/GB524334A/en
Publication of GB524334A publication Critical patent/GB524334A/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
    • F21V5/00—Refractors for light sources

Abstract

524.334. Street lighting; luminairs. HOLOPHANE, Ltd. (Rolph, T. W.). Jan. 27, 1939, No. 2879. [Class 75 (iil] A luminair has a reflector 20 always concave to the source and receiving rays inclined both above and below the horizontal and turning them down through its open mouth and across its own axis on to a refractor 24 having a series of prisms formed on it in a consistent pattern and so disposed as to give a beam suitable for street lighting.
GB2879/39A 1939-01-27 1939-01-27 Improvements in and relating to luminairs Expired GB524334A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2879/39A GB524334A (en) 1939-01-27 1939-01-27 Improvements in and relating to luminairs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2879/39A GB524334A (en) 1939-01-27 1939-01-27 Improvements in and relating to luminairs

Publications (1)

Publication Number Publication Date
GB524334A true GB524334A (en) 1940-08-05

Family

ID=9747722

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2879/39A Expired GB524334A (en) 1939-01-27 1939-01-27 Improvements in and relating to luminairs

Country Status (1)

Country Link
GB (1) GB524334A (en)

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