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A selection of meteorological instruments relating to Humidity including:-

  • Thermohygrographs
  • Thermographs
  • Aspirated Hygrometers
  • Wet & Dry Hygrometers
  • Dew Point Meter
  • Polymeters

Softback cover, 24 pages with loose price list December 1984.

Casella London Humidity Ref:931/85 1984

£35.00Price