CA452284A - Photometre - Google Patents

Photometre

Info

Publication number: CA452284A
Authority: CA; Canada
Prior art keywords: exposure meter; meter; exposure
Prior art date: 1948-11-02
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

CA452284A

Other languages

Inventor

W. Clark Earl

Original Assignee

Canadian General Electric Co Ltd

Publication date

1948-11-02

1948-11-02 Application granted granted Critical

1948-11-02 Publication of CA452284A publication Critical patent/CA452284A/fr

Status Expired legal-status Critical Current

CA452284A Photometre Expired CA452284A (fr)

Application Number	Priority Date	Filing Date	Title
CA452284T

Publication Number	Publication Date
CA452284A true CA452284A (fr)	1948-11-02

Application Number	Title	Priority Date	Filing Date
CA452284A Expired CA452284A (fr)			Photometre

Country	Link
CA (1)	CA452284A (fr)

Publication	Publication Date	Title
CA452284A (fr)	1948-11-02	Photometre
CA446935A (fr)	1948-03-02	Crochet
CA448646A (fr)	1948-05-25	Compteur a radiation
CA448635A (fr)	1948-05-25	Cadre de havresac
CA447101A (fr)	1948-03-09	Cuiller de peche
CA451497A (fr)	1948-09-28	Compteur de periodes de temps
CA458914A (fr)	1949-08-16	Photometre
CA452692A (fr)	1948-11-16	Machine a calculer
CA446142A (fr)	1948-01-13	Dispositif indicateur
CA452918A (fr)	1948-11-30	Dispositif de mesure
CA446668A (fr)	1948-02-10	Derivometre
CA453458A (fr)	1948-12-21	Systeme de comptage
CA446669A (fr)	1948-02-10	Systeme pour chronometrer
CA448720A (fr)	1948-05-25	Compteur-jaugeur de liquide
CA449200A (fr)	1948-06-22	Ondemetre
CA449383A (fr)	1948-06-22	Dispositif de fixation
CA449363A (fr)	1948-06-22	Appareil a mesurer
CA452962A (fr)	1948-11-30	Appareil de mesure
CA448989A (fr)	1948-06-08	Appareil de mesure
CA452503A (fr)	1948-11-09	Compteur de fluide
CA452504A (fr)	1948-11-09	Compteur de fluide
CA446288A (fr)	1948-01-20	Mecanisme multiplicateur
CA447164A (fr)	1948-03-09	Indicateur
CA448576A (fr)	1948-05-18	Revelateur photographique
CA447757A (fr)	1948-04-13	Structure de masque