CA525139A - Electric selective signalling systems - Google Patents

Electric selective signalling systems

Info

Publication number
CA525139A
CA525139A CA525139A CA525139DA CA525139A CA 525139 A CA525139 A CA 525139A CA 525139 A CA525139 A CA 525139A CA 525139D A CA525139D A CA 525139DA CA 525139 A CA525139 A CA 525139A
Authority
CA
Canada
Prior art keywords
signalling systems
selective signalling
electric selective
electric
systems
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
CA525139A
Other languages
French (fr)
Inventor
M. Hailey Albert
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Publication date
Application granted granted Critical
Publication of CA525139A publication Critical patent/CA525139A/en
Expired legal-status Critical Current

Links

CA525139A Electric selective signalling systems Expired CA525139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA525139T

Publications (1)

Publication Number Publication Date
CA525139A true CA525139A (en) 1956-05-15

Family

ID=35678853

Family Applications (1)

Application Number Title Priority Date Filing Date
CA525139A Expired CA525139A (en) Electric selective signalling systems

Country Status (1)

Country Link
CA (1) CA525139A (en)

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