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FR482912A - Improvements to railway signals - Google Patents

Improvements to railway signals

Info

Publication number
FR482912A
FR482912A FR482912DA FR482912A FR 482912 A FR482912 A FR 482912A FR 482912D A FR482912D A FR 482912DA FR 482912 A FR482912 A FR 482912A
Authority
FR
France
Prior art keywords
railway signals
railway
signals
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)
Inventor
Andrew Kerr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR482912A publication Critical patent/FR482912A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
FR482912D 1915-09-27 1916-09-19 Improvements to railway signals Expired FR482912A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB482912X 1915-09-27

Publications (1)

Publication Number Publication Date
FR482912A true FR482912A (en) 1917-05-11

Family

ID=1519865

Family Applications (1)

Application Number Title Priority Date Filing Date
FR482912D Expired FR482912A (en) 1915-09-27 1916-09-19 Improvements to railway signals

Country Status (1)

Country Link
FR (1) FR482912A (en)

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