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Weather stations typically have these following instruments: . Thermometer for measuring air and sea surface temperature; Barometer for measuring atmospheric pressure; Hygrometer for measuring humidity
Thomas S. Negus (May 1, 1828 – March 17, 1894) was a 19th-century American businessman. He was well known for the manufacture and sale of maritime chronometers and nautical instruments in New York City under the name T.S. & J.D. Negus Company. He served on the Board of Pilot Commissioners for New Jersey.
For example, if a barometer located at sea level and under fair weather conditions is moved to an altitude of 1,000 feet (305 m), about 1 inch of mercury (~35 hPa) must be added on to the reading. The barometer readings at the two locations should be the same if there are negligible changes in time, horizontal distance, and temperature.
The changing height of the mercury in the barometer was recorded on a continuously moving photosensitive surface. [5] By 1847, a sophisticated temperature-compensation mechanism was also employed. Ronalds’ barograph was utilised by the UK Meteorological Office for many years to assist in weather forecasting and the machines were supplied to ...
Barometer World was the world's only barometer museum, and was located in the village of Merton, near Great Torrington, Devon, England. [1] Barometer World makes, sells and restores barometers of a variety of types. It was established in 1979 by Philip Collins. In March 2022, Barometer World closed its museum and premises in Merton, Devon.
The tempest prognosticator, also known as the leech barometer, is a 19th-century invention by George Merryweather in which leeches are used in a barometer. The twelve leeches are kept in small bottles inside the device; when they become agitated by an approaching storm, they attempt to climb out of the bottles and trigger a small hammer which ...