FR381772A - Signal automatique de chemin de fer - Google Patents

Signal automatique de chemin de fer

Info

Publication number
FR381772A
FR381772A FR381772DA FR381772A FR 381772 A FR381772 A FR 381772A FR 381772D A FR381772D A FR 381772DA FR 381772 A FR381772 A FR 381772A
Authority
FR
France
Prior art keywords
railway signal
automatic railway
automatic
signal
railway
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
James P. Norwood
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.)
JAMES P NORWOOD
Original Assignee
JAMES P NORWOOD
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 JAMES P NORWOOD filed Critical JAMES P NORWOOD
Application granted granted Critical
Publication of FR381772A publication Critical patent/FR381772A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/007—Safety arrangements on railway crossings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR381772D 1907-09-13 1907-09-13 Signal automatique de chemin de fer Expired FR381772A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR381772T 1907-09-13

Publications (1)

Publication Number Publication Date
FR381772A true FR381772A (fr) 1908-01-21

Family

ID=1427902

Family Applications (1)

Application Number Title Priority Date Filing Date
FR381772D Expired FR381772A (fr) 1907-09-13 1907-09-13 Signal automatique de chemin de fer

Country Status (1)

Country Link
FR (1) FR381772A (fr)

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