CA491562A - Focusing system - Google Patents

Focusing system

Info

Publication number
CA491562A
CA491562A CA491562A CA491562DA CA491562A CA 491562 A CA491562 A CA 491562A CA 491562 A CA491562 A CA 491562A CA 491562D A CA491562D A CA 491562DA CA 491562 A CA491562 A CA 491562A
Authority
CA
Canada
Prior art keywords
focusing system
focusing
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
CA491562A
Other languages
French (fr)
Inventor
C. Walker Laverne
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.)
NEWSFAX (CANADA) Ltd
Original Assignee
NEWSFAX (CANADA) Ltd
Publication date
Application granted granted Critical
Publication of CA491562A publication Critical patent/CA491562A/en
Expired legal-status Critical Current

Links

CA491562A Focusing system Expired CA491562A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA491562T

Publications (1)

Publication Number Publication Date
CA491562A true CA491562A (en) 1953-03-24

Family

ID=35631305

Family Applications (1)

Application Number Title Priority Date Filing Date
CA491562A Expired CA491562A (en) Focusing system

Country Status (1)

Country Link
CA (1) CA491562A (en)

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