FR802361A - Lantern for photographic laboratory - Google Patents

Lantern for photographic laboratory

Info

Publication number
FR802361A
FR802361A FR802361DA FR802361A FR 802361 A FR802361 A FR 802361A FR 802361D A FR802361D A FR 802361DA FR 802361 A FR802361 A FR 802361A
Authority
FR
France
Prior art keywords
lantern
photographic laboratory
photographic
laboratory
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.)
KOLEN ET DELHUMEAU
Original Assignee
KOLEN ET DELHUMEAU
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 KOLEN ET DELHUMEAU filed Critical KOLEN ET DELHUMEAU
Application granted granted Critical
Publication of FR802361A publication Critical patent/FR802361A/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)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR802361D 1936-02-24 1936-02-24 Lantern for photographic laboratory Expired FR802361A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR802361T 1936-02-24

Publications (1)

Publication Number Publication Date
FR802361A true FR802361A (en) 1936-09-03

Family

ID=9247693

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802361D Expired FR802361A (en) 1936-02-24 1936-02-24 Lantern for photographic laboratory

Country Status (1)

Country Link
FR (1) FR802361A (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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