CA203380A - Lentille et projecteur - Google Patents

Lentille et projecteur

Info

Publication number
CA203380A
CA203380A CA203380A CA203380DA CA203380A CA 203380 A CA203380 A CA 203380A CA 203380 A CA203380 A CA 203380A CA 203380D A CA203380D A CA 203380DA CA 203380 A CA203380 A CA 203380A
Authority
CA
Canada
Prior art keywords
projector
condensing lens
condensing
lens
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
CA203380A
Other languages
English (en)
Inventor
D. Robb Fred
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.)
C T HAYES
PETER J HILE
Original Assignee
C T HAYES
PETER J HILE
Publication date
Application granted granted Critical
Publication of CA203380A publication Critical patent/CA203380A/fr
Expired legal-status Critical Current

Links

CA203380A Lentille et projecteur Expired CA203380A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA203380T

Publications (1)

Publication Number Publication Date
CA203380A true CA203380A (fr) 1920-08-24

Family

ID=35077816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA203380A Expired CA203380A (fr) Lentille et projecteur

Country Status (1)

Country Link
CA (1) CA203380A (fr)

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