CA486329A - Optical indicator means for use with copy projection apparatus - Google Patents

Optical indicator means for use with copy projection apparatus

Info

Publication number
CA486329A
CA486329A CA486329A CA486329DA CA486329A CA 486329 A CA486329 A CA 486329A CA 486329 A CA486329 A CA 486329A CA 486329D A CA486329D A CA 486329DA CA 486329 A CA486329 A CA 486329A
Authority
CA
Canada
Prior art keywords
projection apparatus
indicator means
optical indicator
copy
copy projection
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
CA486329A
Other languages
French (fr)
Inventor
Morton Field Philip
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.)
Charles Beseler Co
Original Assignee
Charles Beseler Co
Publication date
Application granted granted Critical
Publication of CA486329A publication Critical patent/CA486329A/en
Expired legal-status Critical Current

Links

CA486329A Optical indicator means for use with copy projection apparatus Expired CA486329A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA486329T

Publications (1)

Publication Number Publication Date
CA486329A true CA486329A (en) 1952-09-09

Family

ID=35626042

Family Applications (1)

Application Number Title Priority Date Filing Date
CA486329A Expired CA486329A (en) Optical indicator means for use with copy projection apparatus

Country Status (1)

Country Link
CA (1) CA486329A (en)

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