Items from South Yarra, Australia

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  Thermometer - Solar Radiation, Fahrenheit, Grimoldi, Melbourne, circa 1900s

  Solar radiation thermometer, made by Grimoldi, Melbourne. Range -10 to +200 degrees Fahrenheit. For measuring maximum temperature attained in full rays of sun. Used at Melbourne Observa ...

  From: Melbourne, Australia Images: 1
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  Thermometer - Solar Radiation, Fahrenheit, J. Hicks, London, 1906

  Solar radiation thermometer, used to furnish an estimate of intensity of solar radiation. Scale marked 10 to 190 degrees Fahrenheit. Made by J. Hicks, London, and furnished with a Certi ...

  From: London, United Kingdom Images: 1
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  Thermometer - Vacuum Solar Radiation, Negretti & Zambra, London, circa 1900

  Vacuum solar radiation thermometer, made by Negretti & Zambra, London. Range +20 to 190 degrees Fahrenheit. Used at Melbourne Observatory.

  From: London, United Kingdom Images: 1
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  Anemometer - Robinson Type, John B. Grimoldi, Melbourne, circa 1880

  Robinson-type anemometer, used at Melbourne Observatory. It was made or sold by John B Grimoldi, who operated as a meteorological and scientific instrument maker from Queen Street, Mel ...

  From: Melbourne, Australia Images: 1
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  Thermograph - T. Gaunt & Co., Melbourne, Victoria, pre 1910

  Recording thermometer in a glass case, made by T. Gaunt & Co, Melbourne. Graph indicates temperature changes over one week. Used at Melbourne Observatory.

  From: Melbourne, Australia Images: 1
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  Theodolite - Kern, 8 Inch

  8 inch theodolite, for measuring horizontal angles only. Made by T. Kern, Aarau, Switzerland. Used at Melbourne Observatory.

  From: South Yarra, Australia Images: 0
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  Coelostat - Paul Garnier

  Coelostat made by Paul Garnier, Paris, and used at Melbourne Observatory. A coelostat reflects continuously the same region of the sky into the field of view of a fixed telescope. A mi ...

  From: Paris, France Images: 0
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  Arithmometer - Thomas de Colmar, No. 1243, 1875

  Thomas de Colmar arithmometer, No. 1243, 1875. Capacity of 8 x 9 x 16 figures. Calculating machine designed in 1820 by Charles X. Thomas de Colmar, and manufactured from the 1840s to 19 ...

  From: South Yarra, Australia Images: 1
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  Chronograph - Melbourne Observatory, 1870s

  Chronograph from Melbourne Observatory, designed by Government Astronomer Robert Ellery and built at the observatory workshop in the 1860s or 1870s. This was one of several chronograp ...

  From: South Yarra, Australia Images: 0
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  Photograph Album - Melbourne Observatory

  Photograph album used at Melbourne Observatory, late 19th century. Photographs show main observatory building, Great Melbourne Telescope, 8 inch transit telescope, recording equipment, ...

  From: South Yarra, Australia Images: 0