Weather compendium by George Graham

George Graham

Weather compendium combining cistern mercury barometer, alcohol thermometer and thread hygrometer by George Graham, Fleet Street, London, 1739

This weather compendium combined a barometer, thermometer and hygrometer for measuring air pressure, temperature and humidity. The measure of humidity by the hygrometer depends on the stretching and shrinking of a piece of weighted whipcord, suspended inside the tapered wooden spindle.

The instrument was made by clock- and watchmaker George Graham (1673-1751); he has signed the dial of the central hygrometer. In addition to his status as a leading craftsman, Graham was also a Fellow of the Royal Society.

This weather compendium reflects a growing interest in observing and measuring meteorological phenomena during the 1700s. It was also a decorative item suitable for the home of a wealthy owner.

On display

Science Museum: Science City

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Object Number:
alcohol, brass, cat-gut, complete, glass, lead (metal), mahogany (wood), mercury and paper (fibre product)
mercury barometer
  • furnishing and equipment
  • measuring device - instrument
  • furnishing and equipment
  • measuring device - instrument
  • thermometer
  • furnishing and equipment
  • measuring device - instrument
  • barometer
  • furnishing and equipment
  • tools & equipment
Presented by Sir William Plender through the National Art Collection Fund

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