CA177647A - Appareil a projection de lumiere - Google Patents

Appareil a projection de lumiere

Info

Publication number
CA177647A
CA177647A CA000177647A CA177647DA CA177647A CA 177647 A CA177647 A CA 177647A CA 000177647 A CA000177647 A CA 000177647A CA 177647D A CA177647D A CA 177647DA CA 177647 A CA177647 A CA 177647A
Authority
CA
Canada
Prior art keywords
light projecting
projecting apparatus
light
projecting
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
CA000177647A
Other languages
English (en)
Inventor
Powys A.L. Foulds
Edward Foulds
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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA177647A publication Critical patent/CA177647A/fr
Expired legal-status Critical Current

Links

CA000177647A 1917-02-05 1917-02-05 Appareil a projection de lumiere Expired CA177647A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA177647T 1917-02-05

Publications (1)

Publication Number Publication Date
CA177647A true CA177647A (fr) 1917-06-19

Family

ID=45297300

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000177647A Expired CA177647A (fr) 1917-02-05 1917-02-05 Appareil a projection de lumiere

Country Status (1)

Country Link
CA (1) CA177647A (fr)

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