CA244214A - Signalling system - Google Patents

Signalling system

Info

Publication number
CA244214A
CA244214A CA244214A CA244214DA CA244214A CA 244214 A CA244214 A CA 244214A CA 244214 A CA244214 A CA 244214A CA 244214D A CA244214D A CA 244214DA CA 244214 A CA244214 A CA 244214A
Authority
CA
Canada
Prior art keywords
signalling system
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
CA244214A
Other languages
French (fr)
Inventor
A. Clokey Allison
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.)
INTERNATIONAL WESTERN ELECTRIC Co
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co
Publication date
Application granted granted Critical
Publication of CA244214A publication Critical patent/CA244214A/en
Expired legal-status Critical Current

Links

CA244214A Signalling system Expired CA244214A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA244214T

Publications (1)

Publication Number Publication Date
CA244214A true CA244214A (en) 1924-11-04

Family

ID=35148241

Family Applications (1)

Application Number Title Priority Date Filing Date
CA244214A Expired CA244214A (en) Signalling system

Country Status (1)

Country Link
CA (1) CA244214A (en)

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