CA468420A - Photometres - Google Patents

Photometres

Info

Publication number
CA468420A
CA468420A CA468420A CA468420DA CA468420A CA 468420 A CA468420 A CA 468420A CA 468420 A CA468420 A CA 468420A CA 468420D A CA468420D A CA 468420DA CA 468420 A CA468420 A CA 468420A
Authority
CA
Canada
Prior art keywords
exposure meters
meters
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
CA468420A
Other languages
English (en)
Inventor
T. Williams Alexander
Huber Paul
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 CA468420A publication Critical patent/CA468420A/fr
Expired legal-status Critical Current

Links

CA468420A Photometres Expired CA468420A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA468420T

Publications (1)

Publication Number Publication Date
CA468420A true CA468420A (fr) 1950-09-26

Family

ID=35602349

Family Applications (1)

Application Number Title Priority Date Filing Date
CA468420A Expired CA468420A (fr) Photometres

Country Status (1)

Country Link
CA (1) CA468420A (fr)

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