FR756114A - Photometer - Google Patents

Photometer

Info

Publication number
FR756114A
FR756114A FR756114DA FR756114A FR 756114 A FR756114 A FR 756114A FR 756114D A FR756114D A FR 756114DA FR 756114 A FR756114 A FR 756114A
Authority
FR
France
Prior art keywords
photometer
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
Other languages
French (fr)
Inventor
Martin Reinwarth
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 filed Critical
Application granted granted Critical
Publication of FR756114A publication Critical patent/FR756114A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/38—Photometry, e.g. photographic exposure meter using wholly visual means
    • G01J1/40—Photometry, e.g. photographic exposure meter using wholly visual means using limit or visibility or extinction effect

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR756114D 1933-05-26 1933-05-26 Photometer Expired FR756114A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR756114T 1933-05-26

Publications (1)

Publication Number Publication Date
FR756114A true FR756114A (en) 1933-12-05

Family

ID=9165410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR756114D Expired FR756114A (en) 1933-05-26 1933-05-26 Photometer

Country Status (1)

Country Link
FR (1) FR756114A (en)

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