CA416871A - Reflector focus ascertaining apparatus - Google Patents

Reflector focus ascertaining apparatus

Info

Publication number
CA416871A
CA416871A CA416871A CA416871DA CA416871A CA 416871 A CA416871 A CA 416871A CA 416871 A CA416871 A CA 416871A CA 416871D A CA416871D A CA 416871DA CA 416871 A CA416871 A CA 416871A
Authority
CA
Canada
Prior art keywords
reflector focus
ascertaining
ascertaining apparatus
reflector
focus
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
CA416871A
Other languages
French (fr)
Inventor
J. Westerlund Einar
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA416871A publication Critical patent/CA416871A/en
Expired legal-status Critical Current

Links

CA416871A Reflector focus ascertaining apparatus Expired CA416871A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA416871T

Publications (1)

Publication Number Publication Date
CA416871A true CA416871A (en) 1943-12-07

Family

ID=35526103

Family Applications (1)

Application Number Title Priority Date Filing Date
CA416871A Expired CA416871A (en) Reflector focus ascertaining apparatus

Country Status (1)

Country Link
CA (1) CA416871A (en)

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