CA290520A - Appareil a projection d'images - Google Patents

Appareil a projection d'images

Info

Publication number
CA290520A
CA290520A CA290520A CA290520DA CA290520A CA 290520 A CA290520 A CA 290520A CA 290520 A CA290520 A CA 290520A CA 290520D A CA290520D A CA 290520DA CA 290520 A CA290520 A CA 290520A
Authority
CA
Canada
Prior art keywords
projection apparatus
picture projection
picture
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
CA290520A
Other languages
English (en)
Inventor
William Charles Merrill, Jr.
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA290520A publication Critical patent/CA290520A/fr
Expired legal-status Critical Current

Links

CA290520A Appareil a projection d'images Expired CA290520A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA290520T

Publications (1)

Publication Number Publication Date
CA290520A true CA290520A (fr) 1929-06-18

Family

ID=35227332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290520A Expired CA290520A (fr) Appareil a projection d'images

Country Status (1)

Country Link
CA (1) CA290520A (fr)

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