FR353711A - Prism slab - Google Patents

Prism slab

Info

Publication number
FR353711A
FR353711A FR353711DA FR353711A FR 353711 A FR353711 A FR 353711A FR 353711D A FR353711D A FR 353711DA FR 353711 A FR353711 A FR 353711A
Authority
FR
France
Prior art keywords
slab
prism
prism slab
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
French (fr)
Inventor
William James Hooks
Bryan William Donkin
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 FR353711A publication Critical patent/FR353711A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S11/00—Non-electric lighting devices or systems using daylight

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR353711D 1905-04-26 1905-04-26 Prism slab Expired FR353711A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR353711T 1905-04-26

Publications (1)

Publication Number Publication Date
FR353711A true FR353711A (en) 1905-09-19

Family

ID=1401852

Family Applications (1)

Application Number Title Priority Date Filing Date
FR353711D Expired FR353711A (en) 1905-04-26 1905-04-26 Prism slab

Country Status (1)

Country Link
FR (1) FR353711A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19646239A1 (en) * 1996-11-08 1998-05-14 Feustle Gerhard Dipl Ing Fh Device with flat prism for concentrating or distributing light

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19646239A1 (en) * 1996-11-08 1998-05-14 Feustle Gerhard Dipl Ing Fh Device with flat prism for concentrating or distributing light

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