CA310456A - Projection apparatus - Google Patents

Projection apparatus

Info

Publication number
CA310456A
CA310456A CA310456A CA310456DA CA310456A CA 310456 A CA310456 A CA 310456A CA 310456 A CA310456 A CA 310456A CA 310456D A CA310456D A CA 310456DA CA 310456 A CA310456 A CA 310456A
Authority
CA
Canada
Prior art keywords
projection apparatus
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
CA310456A
Other languages
French (fr)
Inventor
Wells Bowen Lester
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.)
Trans Lux Daylight Picture Screen Corp
Original Assignee
Trans Lux Daylight Picture Screen Corp
Publication date
Application granted granted Critical
Publication of CA310456A publication Critical patent/CA310456A/en
Expired legal-status Critical Current

Links

CA310456A Projection apparatus Expired CA310456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA310456T

Publications (1)

Publication Number Publication Date
CA310456A true CA310456A (en) 1931-04-14

Family

ID=35269780

Family Applications (1)

Application Number Title Priority Date Filing Date
CA310456A Expired CA310456A (en) Projection apparatus

Country Status (1)

Country Link
CA (1) CA310456A (en)

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