DE252414C - - Google Patents

Info

Publication number
DE252414C
DE252414C DE1912252414D DE252414DD DE252414C DE 252414 C DE252414 C DE 252414C DE 1912252414 D DE1912252414 D DE 1912252414D DE 252414D D DE252414D D DE 252414DD DE 252414 C DE252414 C DE 252414C
Authority
DE
Germany
Prior art keywords
layer
color
light
scale
upstream
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
DE1912252414D
Other languages
German (de)
English (en)
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 DE252414C publication Critical patent/DE252414C/de
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
    • G01J1/48—Photometry, e.g. photographic exposure meter using chemical effects
    • G01J1/50—Photometry, e.g. photographic exposure meter using chemical effects using change in colour of an indicator, e.g. actinometer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
DE1912252414D 1911-12-07 1912-02-18 Expired DE252414C (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE250815T 1911-12-07
DE252414T 1912-02-18

Publications (1)

Publication Number Publication Date
DE252414C true DE252414C (enrdf_load_stackoverflow) 1912-10-17

Family

ID=34621114

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1912252414D Expired DE252414C (enrdf_load_stackoverflow) 1911-12-07 1912-02-18

Country Status (1)

Country Link
DE (1) DE252414C (enrdf_load_stackoverflow)

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