CA191455A - Systeme de signaux de chemins de fer - Google Patents

Systeme de signaux de chemins de fer

Info

Publication number
CA191455A
CA191455A CA000191455A CA191455DA CA191455A CA 191455 A CA191455 A CA 191455A CA 000191455 A CA000191455 A CA 000191455A CA 191455D A CA191455D A CA 191455DA CA 191455 A CA191455 A CA 191455A
Authority
CA
Canada
Prior art keywords
signalling system
railway signalling
railway
signalling
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
CA000191455A
Other languages
English (en)
Inventor
John Salisbury Holliday
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.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
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 Union Switch and Signal Inc filed Critical Union Switch and Signal Inc
Application granted granted Critical
Publication of CA191455A publication Critical patent/CA191455A/fr
Expired legal-status Critical Current

Links

CA000191455A 1918-04-20 1918-04-20 Systeme de signaux de chemins de fer Expired CA191455A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA191455T 1918-04-20

Publications (1)

Publication Number Publication Date
CA191455A true CA191455A (fr) 1919-07-08

Family

ID=45311106

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000191455A Expired CA191455A (fr) 1918-04-20 1918-04-20 Systeme de signaux de chemins de fer

Country Status (1)

Country Link
CA (1) CA191455A (fr)

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