CA841357A - Comparison photometer using lenticular screen - Google Patents

Comparison photometer using lenticular screen

Info

Publication number
CA841357A
CA841357A CA841357A CA841357DA CA841357A CA 841357 A CA841357 A CA 841357A CA 841357 A CA841357 A CA 841357A CA 841357D A CA841357D A CA 841357DA CA 841357 A CA841357 A CA 841357A
Authority
CA
Canada
Prior art keywords
lenticular screen
comparison photometer
photometer
comparison
lenticular
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
CA841357A
Inventor
H. Land Edwin
H. Ryan William
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
Publication date
Application granted granted Critical
Publication of CA841357A publication Critical patent/CA841357A/en
Expired legal-status Critical Current

Links

CA841357A Comparison photometer using lenticular screen Expired CA841357A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA841357T

Publications (1)

Publication Number Publication Date
CA841357A true CA841357A (en) 1970-05-12

Family

ID=36325557

Family Applications (1)

Application Number Title Priority Date Filing Date
CA841357A Expired CA841357A (en) Comparison photometer using lenticular screen

Country Status (1)

Country Link
CA (1) CA841357A (en)

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