CA209345A - Vacuum tube - Google Patents

Vacuum tube

Info

Publication number
CA209345A
CA209345A CA209345A CA209345DA CA209345A CA 209345 A CA209345 A CA 209345A CA 209345 A CA209345 A CA 209345A CA 209345D A CA209345D A CA 209345DA CA 209345 A CA209345 A CA 209345A
Authority
CA
Canada
Prior art keywords
vacuum tube
vacuum
tube
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
CA209345A
Other languages
French (fr)
Inventor
Ferris Hendry 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.)
INTERNATIONAL WESTERN ELECTRIC CO
Original Assignee
INTERNATIONAL WESTERN ELECTRIC CO
Publication date
Application granted granted Critical
Publication of CA209345A publication Critical patent/CA209345A/en
Expired legal-status Critical Current

Links

CA209345A Vacuum tube Expired CA209345A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA209345T

Publications (1)

Publication Number Publication Date
CA209345A true CA209345A (en) 1921-03-08

Family

ID=35103124

Family Applications (1)

Application Number Title Priority Date Filing Date
CA209345A Expired CA209345A (en) Vacuum tube

Country Status (1)

Country Link
CA (1) CA209345A (en)

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