CA349483A - Telegraph exchange system - Google Patents

Telegraph exchange system

Info

Publication number
CA349483A
CA349483A CA349483A CA349483DA CA349483A CA 349483 A CA349483 A CA 349483A CA 349483 A CA349483 A CA 349483A CA 349483D A CA349483D A CA 349483DA CA 349483 A CA349483 A CA 349483A
Authority
CA
Canada
Prior art keywords
exchange system
telegraph exchange
telegraph
exchange
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
CA349483A
Other languages
French (fr)
Inventor
Charles Lane Cuthbert
Arthur Locke George
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA349483A publication Critical patent/CA349483A/en
Expired legal-status Critical Current

Links

CA349483A Telegraph exchange system Expired CA349483A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA349483T

Publications (1)

Publication Number Publication Date
CA349483A true CA349483A (en) 1935-04-09

Family

ID=35337446

Family Applications (1)

Application Number Title Priority Date Filing Date
CA349483A Expired CA349483A (en) Telegraph exchange system

Country Status (1)

Country Link
CA (1) CA349483A (en)

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