CA506532A - Photometre - Google Patents

Photometre

Info

Publication number
CA506532A
CA506532A CA506532A CA506532DA CA506532A CA 506532 A CA506532 A CA 506532A CA 506532 A CA506532 A CA 506532A CA 506532D A CA506532D A CA 506532DA CA 506532 A CA506532 A CA 506532A
Authority
CA
Canada
Prior art keywords
exposure meter
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
CA506532A
Other languages
English (en)
Inventor
T. Williams Alexander
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.)
Weston Electric Instrument Corp
Original Assignee
Weston Electric Instrument Corp
Publication date
Application granted granted Critical
Publication of CA506532A publication Critical patent/CA506532A/fr
Expired legal-status Critical Current

Links

CA506532A Photometre Expired CA506532A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA506532T

Publications (1)

Publication Number Publication Date
CA506532A true CA506532A (fr) 1954-10-12

Family

ID=35652462

Family Applications (1)

Application Number Title Priority Date Filing Date
CA506532A Expired CA506532A (fr) Photometre

Country Status (1)

Country Link
CA (1) CA506532A (fr)

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