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FR519015A - Perfectionnements apportés aux signaux lumineux - Google Patents

Perfectionnements apportés aux signaux lumineux

Info

Publication number
FR519015A
FR519015A FR519015A FR519015DA FR519015A FR 519015 A FR519015 A FR 519015A FR 519015 A FR519015 A FR 519015A FR 519015D A FR519015D A FR 519015DA FR 519015 A FR519015 A FR 519015A
Authority
FR
France
Prior art keywords
light signals
signals
light
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
FR519015A
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.)
Corning Glass Works
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Application granted granted Critical
Publication of FR519015A publication Critical patent/FR519015A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B61L5/1809—Daylight signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR519015A 1916-01-22 1920-06-18 Perfectionnements apportés aux signaux lumineux Expired FR519015A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US519015XA 1916-01-22 1916-01-22

Publications (1)

Publication Number Publication Date
FR519015A true FR519015A (fr) 1921-06-03

Family

ID=21974061

Family Applications (1)

Application Number Title Priority Date Filing Date
FR519015A Expired FR519015A (fr) 1916-01-22 1920-06-18 Perfectionnements apportés aux signaux lumineux

Country Status (1)

Country Link
FR (1) FR519015A (fr)

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