CA289092A - Appareil de projection - Google Patents

Appareil de projection

Info

Publication number
CA289092A
CA289092A CA289092A CA289092DA CA289092A CA 289092 A CA289092 A CA 289092A CA 289092 A CA289092 A CA 289092A CA 289092D A CA289092D A CA 289092DA CA 289092 A CA289092 A CA 289092A
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
CA289092A
Other languages
English (en)
Inventor
F. Newman David
C. Underwood Robert
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
David F Newman
Robert C Underwood
Trans Lux Daylight Picture Screen Corp
Publication date
Application granted granted Critical
Publication of CA289092A publication Critical patent/CA289092A/fr
Expired legal-status Critical Current

Links

CA289092A Appareil de projection Expired CA289092A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA289092T

Publications (1)

Publication Number Publication Date
CA289092A true CA289092A (fr) 1929-04-23

Family

ID=35225904

Family Applications (1)

Application Number Title Priority Date Filing Date
CA289092A Expired CA289092A (fr) Appareil de projection

Country Status (1)

Country Link
CA (1) CA289092A (fr)

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