CA33172A - Semaphore signal for railway and other uses - Google Patents

Semaphore signal for railway and other uses

Info

Publication number
CA33172A
CA33172A CA000033172A CA33172DA CA33172A CA 33172 A CA33172 A CA 33172A CA 000033172 A CA000033172 A CA 000033172A CA 33172D A CA33172D A CA 33172DA CA 33172 A CA33172 A CA 33172A
Authority
CA
Canada
Prior art keywords
railway
semaphore signal
semaphore
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
CA000033172A
Other languages
French (fr)
Inventor
Gustavus N. Reiff
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
Publication date
Application granted granted Critical
Publication of CA33172A publication Critical patent/CA33172A/en
Expired legal-status Critical Current

Links

CA000033172A Semaphore signal for railway and other uses Expired CA33172A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA33172T

Publications (1)

Publication Number Publication Date
CA33172A true CA33172A (en) 1889-12-19

Family

ID=45149712

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000033172A Expired CA33172A (en) Semaphore signal for railway and other uses

Country Status (1)

Country Link
CA (1) CA33172A (en)

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