CA280740A - Selective signalling system - Google Patents

Selective signalling system

Info

Publication number
CA280740A
CA280740A CA280740A CA280740DA CA280740A CA 280740 A CA280740 A CA 280740A CA 280740 A CA280740 A CA 280740A CA 280740D A CA280740D A CA 280740DA CA 280740 A CA280740 A CA 280740A
Authority
CA
Canada
Prior art keywords
signalling system
selective signalling
selective
signalling
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
CA280740A
Other languages
French (fr)
Inventor
U. White Thomas
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.)
Westinghouse Canada Inc
Original Assignee
Canadian Westinghouse Co Ltd
Publication date
Application granted granted Critical
Publication of CA280740A publication Critical patent/CA280740A/en
Expired legal-status Critical Current

Links

CA280740A Selective signalling system Expired CA280740A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA280740T

Publications (1)

Publication Number Publication Date
CA280740A true CA280740A (en) 1928-06-05

Family

ID=35213832

Family Applications (1)

Application Number Title Priority Date Filing Date
CA280740A Expired CA280740A (en) Selective signalling system

Country Status (1)

Country Link
CA (1) CA280740A (en)

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