Stock No. C1072




A scientific barometer by
J.B. Dancer, Manchester c1860

  • A scientific barometer on the Fortin principle signed on the silvered scale J.B. Dancer, Optician, Manchester No. 282.
  • The instrument has a black painted tube with a thermometer mounted on the front.
  • The barometer scale reads from 27 to 32.5 inches of mercury, the thermometer scale from 25 to 110 degrees Fahrenheit.
  • The instrument is mounted on a mahogany backboard with white reflectors to improve reading accuracy.
  • Backboard size 44 inches x 5 inches.
  • The barometer has a replacement glass reservoir.

John Benjamin Dancer supplied instruments to the famous scientists John Dalton and J.P. Joule


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