CA221168A - Railway signalling system - Google Patents

Railway signalling system

Info

Publication number
CA221168A
CA221168A CA221168A CA221168DA CA221168A CA 221168 A CA221168 A CA 221168A CA 221168 A CA221168 A CA 221168A CA 221168D A CA221168D A CA 221168DA CA 221168 A CA221168 A CA 221168A
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
CA221168A
Other languages
French (fr)
Inventor
H. Lay Charles
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
Publication date
Application granted granted Critical
Publication of CA221168A publication Critical patent/CA221168A/en
Expired legal-status Critical Current

Links

CA221168A Railway signalling system Expired CA221168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA221168T

Publications (1)

Publication Number Publication Date
CA221168A true CA221168A (en) 1922-07-18

Family

ID=35116771

Family Applications (1)

Application Number Title Priority Date Filing Date
CA221168A Expired CA221168A (en) Railway signalling system

Country Status (1)

Country Link
CA (1) CA221168A (en)

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