FR627118A - Improvements to electrical appliances - Google Patents

Improvements to electrical appliances

Info

Publication number
FR627118A
FR627118A FR627118DA FR627118A FR 627118 A FR627118 A FR 627118A FR 627118D A FR627118D A FR 627118DA FR 627118 A FR627118 A FR 627118A
Authority
FR
France
Prior art keywords
electrical appliances
appliances
electrical
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.)
CHARLES ENGELHARD Inc
Original Assignee
CHARLES ENGELHARD Inc
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 CHARLES ENGELHARD Inc filed Critical CHARLES ENGELHARD Inc
Application granted granted Critical
Publication of FR627118A publication Critical patent/FR627118A/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
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
    • G01N27/185—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested using a catharometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
FR627118D 1926-05-29 1927-01-05 Improvements to electrical appliances Expired FR627118A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US112460A US1715374A (en) 1926-05-29 1926-05-29 Electrical instrument

Publications (1)

Publication Number Publication Date
FR627118A true FR627118A (en) 1927-09-27

Family

ID=22344012

Family Applications (1)

Application Number Title Priority Date Filing Date
FR627118D Expired FR627118A (en) 1926-05-29 1927-01-05 Improvements to electrical appliances

Country Status (3)

Country Link
US (1) US1715374A (en)
FR (1) FR627118A (en)
GB (1) GB271811A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2591761A (en) * 1946-06-14 1952-04-08 Nina D Zaikowsky Apparatus for gas analysis
US2639610A (en) * 1948-01-08 1953-05-26 Charles Engelhard Inc Furnace atmosphere indicator
US2693103A (en) * 1950-07-25 1954-11-02 Hartmann & Braun Ag Magnetic gas measuring instrument
NL83787C (en) * 1951-03-08
US2749753A (en) * 1953-05-11 1956-06-12 Northrop Aircraft Inc Temperature measuring device
US9121773B2 (en) * 2013-03-13 2015-09-01 Bascom-Turner Instruments Gas sensors and methods of calibrating same

Also Published As

Publication number Publication date
GB271811A (en) 1927-11-17
US1715374A (en) 1929-06-04

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