FR645751A - Perfectionnements aux lanternes - Google Patents

Perfectionnements aux lanternes

Info

Publication number
FR645751A
FR645751A FR645751DA FR645751A FR 645751 A FR645751 A FR 645751A FR 645751D A FR645751D A FR 645751DA FR 645751 A FR645751 A FR 645751A
Authority
FR
France
Prior art keywords
lantern
refinements
lantern refinements
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)
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.)
H OBACH ETS
Original Assignee
H OBACH ETS
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 H OBACH ETS filed Critical H OBACH ETS
Application granted granted Critical
Publication of FR645751A publication Critical patent/FR645751A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L19/00—Lanterns, e.g. hurricane lamps or candle lamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mechanical Engineering (AREA)
FR645751D 1927-12-15 1927-12-15 Perfectionnements aux lanternes Expired FR645751A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR645751T 1927-12-15

Publications (1)

Publication Number Publication Date
FR645751A true FR645751A (fr) 1928-10-31

Family

ID=9000933

Family Applications (1)

Application Number Title Priority Date Filing Date
FR645751D Expired FR645751A (fr) 1927-12-15 1927-12-15 Perfectionnements aux lanternes

Country Status (1)

Country Link
FR (1) FR645751A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3062954A (en) * 1960-05-23 1962-11-06 Robert L Goolsby Directive reading lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3062954A (en) * 1960-05-23 1962-11-06 Robert L Goolsby Directive reading lamp

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