CA15973A - Improvements on magneto-electric railway signals - Google Patents

Improvements on magneto-electric railway signals

Info

Publication number
CA15973A
CA15973A CA000015973A CA15973DA CA15973A CA 15973 A CA15973 A CA 15973A CA 000015973 A CA000015973 A CA 000015973A CA 15973D A CA15973D A CA 15973DA CA 15973 A CA15973 A CA 15973A
Authority
CA
Canada
Prior art keywords
magneto
electric railway
railway signals
signals
electric
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
CA000015973A
Other languages
French (fr)
Inventor
John B. Johnson
Orville B. Johnson
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 CA15973A publication Critical patent/CA15973A/en
Expired legal-status Critical Current

Links

CA000015973A Improvements on magneto-electric railway signals Expired CA15973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA15973T

Publications (1)

Publication Number Publication Date
CA15973A true CA15973A (en) 1882-12-18

Family

ID=45132516

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000015973A Expired CA15973A (en) Improvements on magneto-electric railway signals

Country Status (1)

Country Link
CA (1) CA15973A (en)

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