©2018 by Barographs for Sale. Proudly created with Wix.com

A selection of instruments relating to humidity including:-

  • Dew point apparatus Whirling & Wet & Dry Hygrometers
  • Hair Hygrometers &Hygrographs
  • Thermographs
  • Thermohygrographs
  • Kata & Globe Thermometers

Softback cover, 23 pages with loose price list January 1974, Revised February 1975.

Casella London Humidity Ref:931 1974

£35.00Price