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An anemoscope c1920s built by the American instrument maker Julien P. Friez & Sons is in the collection of Harvard university was designed to be used as part of an automatic wind recorder alongside a wind speed measuring anemometer. [3] Today anemoscopes are used in meteorological stations, and in transport especially boats.
In 1450, Leone Battista Alberti developed a swinging-plate anemometer, and is known as the first anemometer. [1] In 1607, Galileo Galilei constructs a thermoscope. In 1643, Evangelista Torricelli invents the mercury barometer. [1] In 1662, Sir Christopher Wren invented the mechanical, self-emptying, tipping bucket rain gauge.
Anemometer for measuring wind speed; Pyranometer for measuring solar radiation; Rain gauge for measuring liquid precipitation over a set period of time; Wind sock for measuring general wind speed and wind direction; Wind vane (also called a weather vane or a weathercock) for showing the wind direction
A hemispherical-cup anemometer of the type invented in 1846 by John Thomas Romney Robinson. In meteorology, an anemometer (from Ancient Greek άνεμος (ánemos) 'wind' and μέτρον (métron) 'measure') is a device that measures wind speed and direction. It is a common instrument used in weather stations.
The company also produced the PF8 UHF hand-held radios featured in episodes of The Professionals television series. After the war, Pye's B16T nine-inch table television was designed around the 12-year-old EF50 valve.
A group of people carrying Nazi flags demonstrated outside a community theater performance of “The Diary of Anne Frank” in Livingston County, Michigan, in a display of antisemitism.
Others use handheld anemometers. Rulers or baseballs may be brought along for measuring hail and for showing as a comparison object. Vehicle mounted cameras, such as on the roof or more commonly on the dash, provide continuous visual recording capability. Chasers heavily utilized still photography since the beginning.
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