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 Sandvig Samlinger") in 1904. Sandvig was at first hired as unpaid curator, but was later appointed the museum's first director. In addition to expanding the museum significantly, Sandvig also traveled extensively to promote ethnological museums, including Vesterheim in Decorah, Iowa. He retired from the museum in 1947, at 85 years of age. Anders Sandvig Anders Sandvig (11 May 1862 – 11 February 1950) was a Norwegian dentist most noted for having founded Maihaugen, an innovative regional ethnological and architectural museum in Lillehammer, documenting the vernacular architecture of Gudbrandsdalen. Sandvig was born at Bud in Møre og Romsdal, Norway. He first worked