CA82538A - Systeme de signal et telephone pour chemins de fer - Google Patents

Systeme de signal et telephone pour chemins de fer

Info

Publication number
CA82538A
CA82538A CA000082538A CA82538DA CA82538A CA 82538 A CA82538 A CA 82538A CA 000082538 A CA000082538 A CA 000082538A CA 82538D A CA82538D A CA 82538DA CA 82538 A CA82538 A CA 82538A
Authority
CA
Canada
Prior art keywords
railways
signalling
telephoning
telephoning system
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
CA000082538A
Other languages
English (en)
Inventor
John Alexander Whyte
Gordon Cameron Edwards
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 CA82538A publication Critical patent/CA82538A/fr
Expired legal-status Critical Current

Links

CA000082538A 1903-01-24 1903-01-24 Systeme de signal et telephone pour chemins de fer Expired CA82538A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA82538T 1903-01-24

Publications (1)

Publication Number Publication Date
CA82538A true CA82538A (fr) 1903-08-18

Family

ID=45199074

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000082538A Expired CA82538A (fr) 1903-01-24 1903-01-24 Systeme de signal et telephone pour chemins de fer

Country Status (1)

Country Link
CA (1) CA82538A (fr)

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