CA512181A - Light meter having reflecting means to receive light from two opposite directions - Google Patents

Light meter having reflecting means to receive light from two opposite directions

Info

Publication number
CA512181A
CA512181A CA512181A CA512181DA CA512181A CA 512181 A CA512181 A CA 512181A CA 512181 A CA512181 A CA 512181A CA 512181D A CA512181D A CA 512181DA CA 512181 A CA512181 A CA 512181A
Authority
CA
Canada
Prior art keywords
light
opposite directions
reflecting means
meter
receive light
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
CA512181A
Other languages
French (fr)
Inventor
Perlin 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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA512181A publication Critical patent/CA512181A/en
Expired legal-status Critical Current

Links

CA512181A Light meter having reflecting means to receive light from two opposite directions Expired CA512181A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA512181T

Publications (1)

Publication Number Publication Date
CA512181A true CA512181A (en) 1955-04-26

Family

ID=35663254

Family Applications (1)

Application Number Title Priority Date Filing Date
CA512181A Expired CA512181A (en) Light meter having reflecting means to receive light from two opposite directions

Country Status (1)

Country Link
CA (1) CA512181A (en)

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