FR497904A - Disposition d'appareil d'éclairage - Google Patents

Disposition d'appareil d'éclairage

Info

Publication number
FR497904A
FR497904A FR497904DA FR497904A FR 497904 A FR497904 A FR 497904A FR 497904D A FR497904D A FR 497904DA FR 497904 A FR497904 A FR 497904A
Authority
FR
France
Prior art keywords
lighting fixture
fixture layout
layout
lighting
fixture
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
Other languages
English (en)
Inventor
William Thomas Coulson
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
Application granted granted Critical
Publication of FR497904A publication Critical patent/FR497904A/fr
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
    • F21V7/00—Reflectors for light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR497904D 1918-05-06 1919-04-07 Disposition d'appareil d'éclairage Expired FR497904A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB497904X 1918-05-06

Publications (1)

Publication Number Publication Date
FR497904A true FR497904A (fr) 1919-12-20

Family

ID=1533193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR497904D Expired FR497904A (fr) 1918-05-06 1919-04-07 Disposition d'appareil d'éclairage

Country Status (1)

Country Link
FR (1) FR497904A (fr)

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