FR31314E - Apparatus used for research and constitution of compound shades as well as for determining the proportions of primary shades required to obtain them - Google Patents

Apparatus used for research and constitution of compound shades as well as for determining the proportions of primary shades required to obtain them

Info

Publication number
FR31314E
FR31314E FR31314DA FR31314E FR 31314 E FR31314 E FR 31314E FR 31314D A FR31314D A FR 31314DA FR 31314 E FR31314 E FR 31314E
Authority
FR
France
Prior art keywords
shades
proportions
constitution
research
determining
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
Georges-Rene Fouilleul
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 FR31314E publication Critical patent/FR31314E/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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
FR31314D 1925-12-14 1925-12-14 Apparatus used for research and constitution of compound shades as well as for determining the proportions of primary shades required to obtain them Expired FR31314E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR31314T 1925-12-14

Publications (1)

Publication Number Publication Date
FR31314E true FR31314E (en) 1927-01-28

Family

ID=8669129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR31314D Expired FR31314E (en) 1925-12-14 1925-12-14 Apparatus used for research and constitution of compound shades as well as for determining the proportions of primary shades required to obtain them

Country Status (1)

Country Link
FR (1) FR31314E (en)

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