FR578497A - Signal - Google Patents

Signal

Info

Publication number
FR578497A
FR578497A FR578497DA FR578497A FR 578497 A FR578497 A FR 578497A FR 578497D A FR578497D A FR 578497DA FR 578497 A FR578497 A FR 578497A
Authority
FR
France
Prior art keywords
signal
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)
Inventor
Firmin Caille
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 filed Critical
Application granted granted Critical
Publication of FR578497A publication Critical patent/FR578497A/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
    • B61L5/14—Form signals, e.g. semaphore arms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR578497D 1924-03-12 1924-03-12 Signal Expired FR578497A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR578497T 1924-03-12

Publications (1)

Publication Number Publication Date
FR578497A true FR578497A (fr) 1924-09-26

Family

ID=8955473

Family Applications (1)

Application Number Title Priority Date Filing Date
FR578497D Expired FR578497A (fr) 1924-03-12 1924-03-12 Signal

Country Status (1)

Country Link
FR (1) FR578497A (fr)

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