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.
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Details
- Category:
- Meteorology
- Object Number:
- 1928-705
- Materials:
- alcohol, brass, cat-gut, complete, glass, lead (metal), mahogany (wood), mercury and paper (fibre product)
- type:
- mercury barometer
- taxonomy:
-
- 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
- credit:
- Presented by Sir William Plender through the National Art Collection Fund
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Data in the title, made, maker and details fields are released under Creative Commons Zero
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