CA172721A - Systeme de projection de lumiere - Google Patents

Systeme de projection de lumiere

Info

Publication number
CA172721A
CA172721A CA000172721A CA172721DA CA172721A CA 172721 A CA172721 A CA 172721A CA 000172721 A CA000172721 A CA 000172721A CA 172721D A CA172721D A CA 172721DA CA 172721 A CA172721 A CA 172721A
Authority
CA
Canada
Prior art keywords
light projecting
projecting system
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
CA000172721A
Other languages
English (en)
Inventor
William Churchill
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.)
Corning Glass Works
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Application granted granted Critical
Publication of CA172721A publication Critical patent/CA172721A/fr
Expired legal-status Critical Current

Links

CA000172721A 1916-05-06 1916-05-06 Systeme de projection de lumiere Expired CA172721A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA172721T 1916-05-06

Publications (1)

Publication Number Publication Date
CA172721A true CA172721A (fr) 1916-10-24

Family

ID=45292375

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000172721A Expired CA172721A (fr) 1916-05-06 1916-05-06 Systeme de projection de lumiere

Country Status (1)

Country Link
CA (1) CA172721A (fr)

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