CA294361A - Systeme telegraphique duplex sous-marin - Google Patents

Systeme telegraphique duplex sous-marin

Info

Publication number
CA294361A
CA294361A CA294361A CA294361DA CA294361A CA 294361 A CA294361 A CA 294361A CA 294361 A CA294361 A CA 294361A CA 294361D A CA294361D A CA 294361DA CA 294361 A CA294361 A CA 294361A
Authority
CA
Canada
Prior art keywords
submarine
telegraph system
duplex telegraph
duplex
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
CA294361A
Other languages
English (en)
Inventor
J. Gilbert John
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 CA294361A publication Critical patent/CA294361A/fr
Expired legal-status Critical Current

Links

CA294361A Systeme telegraphique duplex sous-marin Expired CA294361A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA294361T

Publications (1)

Publication Number Publication Date
CA294361A true CA294361A (fr) 1929-10-29

Family

ID=35231679

Family Applications (1)

Application Number Title Priority Date Filing Date
CA294361A Expired CA294361A (fr) Systeme telegraphique duplex sous-marin

Country Status (1)

Country Link
CA (1) CA294361A (fr)

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