FR788847A - Device for laboratory lighting - Google Patents

Device for laboratory lighting

Info

Publication number
FR788847A
FR788847A FR788847DA FR788847A FR 788847 A FR788847 A FR 788847A FR 788847D A FR788847D A FR 788847DA FR 788847 A FR788847 A FR 788847A
Authority
FR
France
Prior art keywords
laboratory lighting
laboratory
lighting
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)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR788847A publication Critical patent/FR788847A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D17/00—Dark-room arrangements not provided for in the preceding groups; Portable dark-rooms
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
FR788847D 1934-04-26 1935-04-15 Device for laboratory lighting Expired FR788847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE788847X 1934-04-26

Publications (1)

Publication Number Publication Date
FR788847A true FR788847A (en) 1935-10-18

Family

ID=6699547

Family Applications (1)

Application Number Title Priority Date Filing Date
FR788847D Expired FR788847A (en) 1934-04-26 1935-04-15 Device for laboratory lighting

Country Status (1)

Country Link
FR (1) FR788847A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2357816A1 (en) * 1976-07-07 1978-02-03 Thezard Jean Pierre Sodium safe light unit - has window in housing with adjusting shutter and three position control switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2357816A1 (en) * 1976-07-07 1978-02-03 Thezard Jean Pierre Sodium safe light unit - has window in housing with adjusting shutter and three position control switch

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