CA336010A - Telegraph exchange switchboard - Google Patents

Telegraph exchange switchboard

Info

Publication number
CA336010A
CA336010A CA336010A CA336010DA CA336010A CA 336010 A CA336010 A CA 336010A CA 336010 A CA336010 A CA 336010A CA 336010D A CA336010D A CA 336010DA CA 336010 A CA336010 A CA 336010A
Authority
CA
Canada
Prior art keywords
telegraph exchange
exchange switchboard
switchboard
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
CA336010A
Other languages
French (fr)
Inventor
Morgan Smith Edward
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 CA336010A publication Critical patent/CA336010A/en
Expired legal-status Critical Current

Links

CA336010A Telegraph exchange switchboard Expired CA336010A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA336010T

Publications (1)

Publication Number Publication Date
CA336010A true CA336010A (en) 1933-09-26

Family

ID=35299152

Family Applications (1)

Application Number Title Priority Date Filing Date
CA336010A Expired CA336010A (en) Telegraph exchange switchboard

Country Status (1)

Country Link
CA (1) CA336010A (en)

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