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The Campbell–Stokes recorder (sometimes called a Stokes sphere) is a type of sunshine recorder. It was invented by John Francis Campbell in 1853 and modified in 1879 by Sir George Gabriel Stokes. The original design by Campbell consisted of large ball lens set into a wooden bowl with the Sun burning a trace on the bowl. Stokes's refinement ...
A Campbell–Stokes sunshine recorder. A sunshine recorder is a device that records the amount of sunshine at a given location or region at any time. The results provide information about the weather and climate as well as the temperature of a geographical area.
Campbell held a lifelong interest in the sciences, especially geology and meteorology. He invented the meteorological sunshine recorder or thermograph that bears his name as the Campbell–Stokes recorder. [21] [2] He edited for publication his late father's work Life in Normandy, Sketches (1863). [22] [23]
For the specific purpose of sunshine duration recording, Campbell–Stokes recorders are used, which use a spherical glass lens to focus the sun rays on a specially designed tape. When the intensity exceeds a predetermined threshold, the tape burns.
Campbell–Stokes recorder; J. Jordan sunshine recorder; M. ... Sunshine recorder This page was last edited on 4 October 2010, at 09:28 (UTC). ...
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Sunshine records started in 1956 when a Campbell Stokes sunshine recorder was put on the parapet of the Agricultural Botany building. [2] The station was upgraded in the 1960s and the number of instruments increased, including a bare soil minimum thermometer, a cup counter anemometer and a Casella siphon rainfall recorder.
Odermatt would not be denied on a near-perfect day for downhill racing on fast, hard snow under sunshine and blue skies in temperatures of 2 degrees (36 F) at the finish. “This is my house!”