CA492882A - Automatic telegraph switching - Google Patents

Automatic telegraph switching

Info

Publication number
CA492882A
CA492882A CA492882A CA492882DA CA492882A CA 492882 A CA492882 A CA 492882A CA 492882 A CA492882 A CA 492882A CA 492882D A CA492882D A CA 492882DA CA 492882 A CA492882 A CA 492882A
Authority
CA
Canada
Prior art keywords
automatic telegraph
telegraph switching
switching
automatic
telegraph
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
CA492882A
Other languages
French (fr)
Inventor
H. Halvorsen Ralph
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 CA492882A publication Critical patent/CA492882A/en
Expired legal-status Critical Current

Links

CA492882A Automatic telegraph switching Expired CA492882A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA492882T

Publications (1)

Publication Number Publication Date
CA492882A true CA492882A (en) 1953-05-12

Family

ID=35638264

Family Applications (1)

Application Number Title Priority Date Filing Date
CA492882A Expired CA492882A (en) Automatic telegraph switching

Country Status (1)

Country Link
CA (1) CA492882A (en)

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