CA176906A - Appareil a projection de lumiere - Google Patents

Appareil a projection de lumiere

Info

Publication number
CA176906A
CA176906A CA000176906A CA176906DA CA176906A CA 176906 A CA176906 A CA 176906A CA 000176906 A CA000176906 A CA 000176906A CA 176906D A CA176906D A CA 176906DA CA 176906 A CA176906 A CA 176906A
Authority
CA
Canada
Prior art keywords
projection apparatus
light projection
light
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
CA000176906A
Other languages
English (en)
Inventor
John B. Taylor
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canadian General Electric Co Ltd filed Critical Canadian General Electric Co Ltd
Application granted granted Critical
Publication of CA176906A publication Critical patent/CA176906A/fr
Expired legal-status Critical Current

Links

CA000176906A 1915-10-18 1915-10-18 Appareil a projection de lumiere Expired CA176906A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA176906T 1915-10-18

Publications (1)

Publication Number Publication Date
CA176906A true CA176906A (fr) 1917-05-08

Family

ID=45296559

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000176906A Expired CA176906A (fr) 1915-10-18 1915-10-18 Appareil a projection de lumiere

Country Status (1)

Country Link
CA (1) CA176906A (fr)

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