CA191227A - Signal box - Google Patents

Signal box

Info

Publication number
CA191227A
CA191227A CA000191227A CA191227DA CA191227A CA 191227 A CA191227 A CA 191227A CA 000191227 A CA000191227 A CA 000191227A CA 191227D A CA191227D A CA 191227DA CA 191227 A CA191227 A CA 191227A
Authority
CA
Canada
Prior art keywords
signal box
box
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
CA000191227A
Other languages
French (fr)
Inventor
Frank Everett Jonah
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 CA191227A publication Critical patent/CA191227A/en
Expired legal-status Critical Current

Links

CA000191227A 1918-08-09 1918-08-09 Signal box Expired CA191227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA191227T 1918-08-09

Publications (1)

Publication Number Publication Date
CA191227A true CA191227A (en) 1919-07-01

Family

ID=45310878

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000191227A Expired CA191227A (en) 1918-08-09 1918-08-09 Signal box

Country Status (1)

Country Link
CA (1) CA191227A (en)

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