CA401401A - Photometre - Google Patents

Photometre

Info

Publication number
CA401401A
CA401401A CA401401A CA401401DA CA401401A CA 401401 A CA401401 A CA 401401A CA 401401 A CA401401 A CA 401401A CA 401401D A CA401401D A CA 401401DA CA 401401 A CA401401 A CA 401401A
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
CA401401A
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 CA401401A publication Critical patent/CA401401A/fr
Expired legal-status Critical Current

Links

CA401401A Photometre Expired CA401401A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA401401T

Publications (1)

Publication Number Publication Date
CA401401A true CA401401A (fr) 1941-12-09

Family

ID=35411847

Family Applications (1)

Application Number Title Priority Date Filing Date
CA401401A Expired CA401401A (fr) Photometre

Country Status (1)

Country Link
CA (1) CA401401A (fr)

Similar Documents

Publication Publication Date Title
CA401401A (fr) Photometre
CA393915A (fr) Enduit photographique
CA400508A (fr) Indicateur de la lumiere
CA397422A (fr) Compteur a demande
CA401815A (fr) Monture de compteur
CA395164A (fr) Compteur de stationnement
CA400154A (fr) Balance compteuse
CA399658A (fr) Robinet a mesurer
CA395595A (fr) Bobine de tension de compteur
CA397526A (fr) Dispositif de raccordement de compteur
CA401813A (fr) Deconnecteur de compteur
CA401430A (fr) Calendrier a calculer
CA401446A (fr) Totalisateur
CA394959A (fr) Wattheuremetre
CA394457A (fr) Revelateur photographique
CA398032A (fr) Compteur pour liquide
CA396581A (fr) Dispositif a mesurer
CA394826A (fr) Compteur de fluide
CA398820A (fr) Compteur de fluide
CA401302A (fr) Compteur a induction
CA401627A (fr) Objectif photographique
CA401628A (fr) Objectif photographique
CA398056A (fr) Compteur
CA396329A (fr) Eprouveur des bidons
CA394374A (fr) Appareil de mesure