Meteorological instrumentation rain gauge. In 1714, Gabriel Fahrenheit creates a reliable scale for measuring temperature with a mercury-type thermometer. In 1742, Anders Celsius, a Swedish astronomer, proposed the 'centigrade' temperature scale, the predecessor of the current Celsius scale. In 1783, the first hair hygrometer is demonstrated by Horace-Bénédict de Saussure. In 1806, Francis Beaufort introduced his system for classifying wind speeds. The April 1960 launch of the first successful weather satellite, TIROS-1, marked the beginning of the age where weather information became available globally. This was also used to measure the temperature of the surrounding air. A thermometer measures air temperature, or
Anders Sandøe Ørsted Anders Sandøe Ørsted Anders Sandøe Ørsted (21 December 1778, Rudkøbing – 1 May 1860) was a Danish lawyer, politician and jurist. He served as the Prime Minister of Denmark in 1853–1854. He studied philosophy and law at Copenhagen and was admitted to the bar in 1799. He became a noted jurist. An early case overseen by him was that of Hans Jonatan, an escaped slave, which was (at least viewed retrospectively) a major test case in Danish law on slavery; Anders condemned Hans to be returned to the West Indies, where he had been purchased (Hof-og Stadsret: "Generalmajorinde Henriette de