CA314891A - Projection apparatus - Google Patents

Projection apparatus

Info

Publication number
CA314891A
CA314891A CA314891A CA314891DA CA314891A CA 314891 A CA314891 A CA 314891A CA 314891 A CA314891 A CA 314891A CA 314891D A CA314891D A CA 314891DA CA 314891 A CA314891 A CA 314891A
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
CA314891A
Other languages
French (fr)
Inventor
E. Halloran Frank
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
Frank E Halloran
Trans Lux Daylight Picture Screen Corp
Publication date
Application granted granted Critical
Publication of CA314891A publication Critical patent/CA314891A/en
Expired legal-status Critical Current

Links

CA314891A Projection apparatus Expired CA314891A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA314891T

Publications (1)

Publication Number Publication Date
CA314891A true CA314891A (en) 1931-09-01

Family

ID=35274219

Family Applications (1)

Application Number Title Priority Date Filing Date
CA314891A Expired CA314891A (en) Projection apparatus

Country Status (1)

Country Link
CA (1) CA314891A (en)

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