#gauge__gage  a measuring instrument for measuring and indicating a quantity or for testing conformity with a standard
  supertype:  #measuring_instrument__measuringinstrument__measuring_system__measuringsystem__measuring_device__measuringdevice  instrument that shows the extent or amount or quantity or degree of something
  subtype:  #anemometer__wind_gauge  a gauge for recording the speed and direction of wind
  subtype:  #depth_gauge__depthgauge  a gauge for measuring the depth of grooves or holes or other concavities
  subtype:  #dipstick  a graduated rod dipped into a container to indicate the fluid level
  subtype:  #gasoline_gauge__gas_gauge__gasgauge  gauge that indicates the amount of gasoline left in the gasoline tank of a vehicle
  subtype:  #pressure_gauge  gauge for measuring and indicating fluid pressure
     subtype:  #manometer  a pressure gauge for comparing pressures of a gas
        subtype:  #tensimeter  a manometer for measuring vapor pressure
     subtype:  #sphygmomanometer  a pressure gauge for measuring blood pressure
  subtype:  #rain_gauge  gauge consisting of an instrument to measure the quantity of precipitation
  subtype:  #strain_gauge  an gauge for measuring strain in a surface
  subtype:  #surface_gauge__surfacegauge__scribing_block  gauge consisting of a scriber mounted on an adjustable stand; used to test the accuracy of plane surfaces
  subtype:  #vacuum_gauge  a gauge for indicating negative atmospheric pressure
  subtype:  #water_gauge__watergauge__water_gage__watergage__waterglas  gauge for indicating the level of water in e.g. a tank or boiler or reservoir
     subtype:  #water_level.water_gauge  a water gauge that shows the level by showing the surface of the water in a trough or U-shaped tube
  subtype:  #wire_gauge  gauge for measuring the diameter of wire

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