CA416795A - Telegraph switching apparatus - Google Patents

Telegraph switching apparatus

Info

Publication number
CA416795A
CA416795A CA416795A CA416795DA CA416795A CA 416795 A CA416795 A CA 416795A CA 416795 A CA416795 A CA 416795A CA 416795D A CA416795D A CA 416795DA CA 416795 A CA416795 A CA 416795A
Authority
CA
Canada
Prior art keywords
switching apparatus
telegraph switching
telegraph
switching
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
CA416795A
Other languages
French (fr)
Inventor
J. Zenner Walter
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 Teletype Corp
Original Assignee
Teletype Corp
Publication date
Application granted granted Critical
Publication of CA416795A publication Critical patent/CA416795A/en
Expired legal-status Critical Current

Links

CA416795A Telegraph switching apparatus Expired CA416795A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA416795T

Publications (1)

Publication Number Publication Date
CA416795A true CA416795A (en) 1943-11-30

Family

ID=35526025

Family Applications (1)

Application Number Title Priority Date Filing Date
CA416795A Expired CA416795A (en) Telegraph switching apparatus

Country Status (1)

Country Link
CA (1) CA416795A (en)

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