CA307764A - Submarine signalling apparatus - Google Patents

Submarine signalling apparatus

Info

Publication number
CA307764A
CA307764A CA307764A CA307764DA CA307764A CA 307764 A CA307764 A CA 307764A CA 307764 A CA307764 A CA 307764A CA 307764D A CA307764D A CA 307764DA CA 307764 A CA307764 A CA 307764A
Authority
CA
Canada
Prior art keywords
signalling apparatus
submarine signalling
submarine
signalling
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
CA307764A
Other languages
French (fr)
Inventor
L. Walker William
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.)
WALKER SIGNAL AND EQUIPMENT Corp
Original Assignee
WALKER SIGNAL AND EQUIPMENT Corp
Publication date
Application granted granted Critical
Publication of CA307764A publication Critical patent/CA307764A/en
Expired legal-status Critical Current

Links

CA307764A Submarine signalling apparatus Expired CA307764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA307764T

Publications (1)

Publication Number Publication Date
CA307764A true CA307764A (en) 1931-01-13

Family

ID=35260916

Family Applications (1)

Application Number Title Priority Date Filing Date
CA307764A Expired CA307764A (en) Submarine signalling apparatus

Country Status (1)

Country Link
CA (1) CA307764A (en)

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