FR574254A - Hygroscopic device for fog signaling - Google Patents

Hygroscopic device for fog signaling

Info

Publication number
FR574254A
FR574254A FR574254DA FR574254A FR 574254 A FR574254 A FR 574254A FR 574254D A FR574254D A FR 574254DA FR 574254 A FR574254 A FR 574254A
Authority
FR
France
Prior art keywords
hygroscopic device
fog signaling
fog
signaling
hygroscopic
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.)
Svenska AB Gasaccumulator
Original Assignee
Svenska AB Gasaccumulator
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 Svenska AB Gasaccumulator filed Critical Svenska AB Gasaccumulator
Application granted granted Critical
Publication of FR574254A publication Critical patent/FR574254A/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
    • G01N19/00—Investigating materials by mechanical methods
    • G01N19/10—Measuring moisture content, e.g. by measuring change in length of hygroscopic filament; Hygrometers

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)
  • Air Humidification (AREA)
  • Control Of Non-Electrical Variables (AREA)
FR574254D 1922-12-12 1923-12-08 Hygroscopic device for fog signaling Expired FR574254A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US606547A US1706850A (en) 1922-12-12 1922-12-12 Humidity-responsive circuit-closing device

Publications (1)

Publication Number Publication Date
FR574254A true FR574254A (en) 1924-07-09

Family

ID=24428401

Family Applications (1)

Application Number Title Priority Date Filing Date
FR574254D Expired FR574254A (en) 1922-12-12 1923-12-08 Hygroscopic device for fog signaling

Country Status (3)

Country Link
US (1) US1706850A (en)
FR (1) FR574254A (en)
GB (1) GB208534A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2487156A (en) * 1945-09-15 1949-11-08 American Viscose Corp High-temperature responsive device
US4207562A (en) * 1978-05-22 1980-06-10 Kaylor AG Products, Inc. Apparatus for determining optimum hay baling conditions

Also Published As

Publication number Publication date
GB208534A (en) 1924-06-05
US1706850A (en) 1929-03-26

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