FR421060A - Device for recording the nature of the fumes - Google Patents

Device for recording the nature of the fumes

Info

Publication number
FR421060A
FR421060A FR421060A FR421060DA FR421060A FR 421060 A FR421060 A FR 421060A FR 421060 A FR421060 A FR 421060A FR 421060D A FR421060D A FR 421060DA FR 421060 A FR421060 A FR 421060A
Authority
FR
France
Prior art keywords
fumes
nature
recording
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
FR421060A
Other languages
French (fr)
Inventor
Ray Laforest Eddy
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.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of FR421060A publication Critical patent/FR421060A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/29—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/24—Suction devices

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Drying Of Solid Materials (AREA)
FR421060A 1910-10-04 1910-10-04 Device for recording the nature of the fumes Expired FR421060A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191022915T 1910-10-04

Publications (1)

Publication Number Publication Date
FR421060A true FR421060A (en) 1911-02-14

Family

ID=34356467

Family Applications (1)

Application Number Title Priority Date Filing Date
FR421060A Expired FR421060A (en) 1910-10-04 1910-10-04 Device for recording the nature of the fumes

Country Status (2)

Country Link
FR (1) FR421060A (en)
GB (1) GB191022915A (en)

Also Published As

Publication number Publication date
GB191022915A (en) 1911-09-28

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