CA75189A - Acternometre photographique - Google Patents

Acternometre photographique

Info

Publication number
CA75189A
CA75189A CA000075189A CA75189DA CA75189A CA 75189 A CA75189 A CA 75189A CA 000075189 A CA000075189 A CA 000075189A CA 75189D A CA75189D A CA 75189DA CA 75189 A CA75189 A CA 75189A
Authority
CA
Canada
Prior art keywords
exposure meter
photographic exposure
photographic
meter
exposure
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
CA000075189A
Other languages
English (en)
Inventor
Arthur William Armit Phair
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 CA75189A publication Critical patent/CA75189A/fr
Expired legal-status Critical Current

Links

CA000075189A 1901-09-10 1901-09-10 Acternometre photographique Expired CA75189A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA75189T 1901-09-10

Publications (1)

Publication Number Publication Date
CA75189A true CA75189A (fr) 1902-03-18

Family

ID=45191725

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000075189A Expired CA75189A (fr) 1901-09-10 1901-09-10 Acternometre photographique

Country Status (1)

Country Link
CA (1) CA75189A (fr)

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