GB156524A - Improvements in and relating to gas indicators - Google Patents

Improvements in and relating to gas indicators

Info

Publication number
GB156524A
GB156524A GB434/21A GB43421A GB156524A GB 156524 A GB156524 A GB 156524A GB 434/21 A GB434/21 A GB 434/21A GB 43421 A GB43421 A GB 43421A GB 156524 A GB156524 A GB 156524A
Authority
GB
United Kingdom
Prior art keywords
branches
coefficient
gases
coils
metal
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
GB434/21A
Other languages
English (en)
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
Publication of GB156524A publication Critical patent/GB156524A/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)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
GB434/21A 1916-01-17 1921-01-05 Improvements in and relating to gas indicators Expired GB156524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE156524X 1916-01-17

Publications (1)

Publication Number Publication Date
GB156524A true GB156524A (en) 1922-04-05

Family

ID=5677877

Family Applications (1)

Application Number Title Priority Date Filing Date
GB434/21A Expired GB156524A (en) 1916-01-17 1921-01-05 Improvements in and relating to gas indicators

Country Status (2)

Country Link
DE (1) DE304796C (enrdf_load_stackoverflow)
GB (1) GB156524A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE304796C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US2412977A (en) Flame sensitive device
GB156524A (en) Improvements in and relating to gas indicators
GB626857A (en) Improvements in or relating to fluid flow direction indicators
US2130829A (en) Electrical measuring instrument
GB986676A (en) Improvements in thermal history gage
US1745149A (en) Compensating apparatus for thermoelectric couples
GB190211765A (en) A Method of Measuring Temperature at a Distance by Electrical Means.
GB129515A (en) Improvements in and relating to Temperature Indicators for Transformers and the like.
GB189909245A (en) Improvements in Electric Maximum Demand Indicators.
GB323022A (en) Improvements in and relating to sensitive electrical regulating, indicating or recording devices
GB614628A (en) Improvements in or relating to resistance thermometers
US2859264A (en) Thermocouple element composition
GB126856A (en) An Improved Method of Indicating the Condition of Steel or other Magnetisable Metal when under Heat Treatment.
US2061941A (en) Device for measuring fluid velocity
AT79504B (de) Vorrichtung zur automatischen Messung der Zusammensetzung von Gasen oder Gasgemischen mittels einer Wheatstoneschen Brücke.
GB118732A (en) Improvements in Indicating the Condition of Steel, Iron or other Magnetisable Metal during Heat Treatment.
Hall et al. On the electromagnetic and the thermomagnetic transverse and longitudinal effects in soft iron
GB465614A (en) Improvements relating to pyrometers
Burgess et al. Electrical resistance and critical ranges of pure iron
GB156525A (en) Improvements in and relating to devices for measuring air and gas pressures
Grindrod et al. RESISTANCE MATERIALS FOR HIGH‐TEMPERATURE STRAIN MEASUREMENT
GB759381A (en) Improvements in or relating to thermometers
GB302498A (en) Improvements in and relating to salinometers and the like
GB116385A (en) Improvements relating to the Measurement of (1) the Velocity of a Fluid and (2) the Velocity of a Body through a Fluid.
GB576490A (en) Improvements in and relating to thermocouples for total radiation pyrometers