FR351688A - Self-revealing and warning of the presence of asphyxiating gases in general in the atmosphere - Google Patents

Self-revealing and warning of the presence of asphyxiating gases in general in the atmosphere

Info

Publication number
FR351688A
FR351688A FR351688DA FR351688A FR 351688 A FR351688 A FR 351688A FR 351688D A FR351688D A FR 351688DA FR 351688 A FR351688 A FR 351688A
Authority
FR
France
Prior art keywords
revealing
warning
atmosphere
self
general
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)
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.)
H HAUGER ET PESCHEUX SOC
Original Assignee
H HAUGER ET PESCHEUX SOC
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 H HAUGER ET PESCHEUX SOC filed Critical H HAUGER ET PESCHEUX SOC
Application granted granted Critical
Publication of FR351688A publication Critical patent/FR351688A/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
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
    • G01N9/12—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers
    • G01N9/16—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers the body being pivoted

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR351688D 1905-02-22 1905-02-22 Self-revealing and warning of the presence of asphyxiating gases in general in the atmosphere Expired FR351688A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR351688T 1905-02-22

Publications (1)

Publication Number Publication Date
FR351688A true FR351688A (en) 1905-07-22

Family

ID=1399981

Family Applications (1)

Application Number Title Priority Date Filing Date
FR351688D Expired FR351688A (en) 1905-02-22 1905-02-22 Self-revealing and warning of the presence of asphyxiating gases in general in the atmosphere

Country Status (1)

Country Link
FR (1) FR351688A (en)

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