GB496325A - Improvements in street-lighting or like fittings - Google Patents
Improvements in street-lighting or like fittingsInfo
- Publication number
- GB496325A GB496325A GB29985/37A GB2998537A GB496325A GB 496325 A GB496325 A GB 496325A GB 29985/37 A GB29985/37 A GB 29985/37A GB 2998537 A GB2998537 A GB 2998537A GB 496325 A GB496325 A GB 496325A
- Authority
- GB
- United Kingdom
- Prior art keywords
- light
- street
- plane
- fitting
- globe
- 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
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
- F21V3/00—Globes; Bowls; Cover glasses
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
496,325. Street lamps. GENERAL ELECTRIC CO., Ltd., MOORE, H. A., and MAINWARING, A. W. Nov. 2, 1937, No. 29985. [Class 75 (iv)] A street lighting or like fitting comprises a member formed to direct the light in preferred planes surrounded closely by a surface having appreciable reflectance arranged substantially perpendicular to at least one of the preferred planes. The street lighting fitting shown has a globe 1 carrying vertical prisms directing the light preferentially in a plane perpendicular to the figure and a light-coloured mat plane surface 3 closely surrounding the globe. If the preferred planes on the two sides of the fitting are not the same, two separate mat surfaces may be provided. The reflecting surface, if not plane, is preferably concave to the observer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB29985/37A GB496325A (en) | 1937-11-02 | 1937-11-02 | Improvements in street-lighting or like fittings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB29985/37A GB496325A (en) | 1937-11-02 | 1937-11-02 | Improvements in street-lighting or like fittings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB496325A true GB496325A (en) | 1938-11-29 |
Family
ID=10300390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29985/37A Expired GB496325A (en) | 1937-11-02 | 1937-11-02 | Improvements in street-lighting or like fittings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB496325A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0617228A1 (en) * | 1993-03-25 | 1994-09-28 | HERNER GLAS BERND HOFFBAUER GmbH & CO. Leuchten und Industrieglas KG | Lighting fitting made of translucent material |
-
1937
- 1937-11-02 GB GB29985/37A patent/GB496325A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0617228A1 (en) * | 1993-03-25 | 1994-09-28 | HERNER GLAS BERND HOFFBAUER GmbH & CO. Leuchten und Industrieglas KG | Lighting fitting made of translucent material |
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