Ivory Diptych Sundials During the sixteenth and seventeenth centuries ivory diptych dials became popular devices for determining the time by the sun during the day or by the moon at night These elaborate portable sundials

  • Title: Ivory Diptych Sundials, 1570-1750
  • Author: Harvard University A.J. Turner Penelope Gouk
  • ISBN: 9780674469778
  • Page: 218
  • Format: Hardcover
  • During the sixteenth and seventeenth centuries, ivory diptych dials became popular devices for determining the time by the sun during the day or by the moon at night These elaborate portable sundials, which could be adjusted for use in different latitudes, incorporated various devices useful for merchants and others who traveled extensively in Europe This catalogue illusDuring the sixteenth and seventeenth centuries, ivory diptych dials became popular devices for determining the time by the sun during the day or by the moon at night These elaborate portable sundials, which could be adjusted for use in different latitudes, incorporated various devices useful for merchants and others who traveled extensively in Europe This catalogue illustrates in detail Harvard s collection of 82 ivory diptych sundials, one of the largest holdings of these instruments in the world The collection encompasses a comprehensive array of styles and designs from Nuremberg, Paris, and Dieppe, the major centers of their production, as well as from other parts of Europe Harvard University has been purchasing scientific instruments on a continuous basis for teaching and research since 1765 The Collection of Historical Scientific Instruments, which was established in 1949 to preserve this apparatus as a resource for teaching and research in the history of science and technology, has become one of the three largest university collections of its kind in the world It comprises about 15,000 instruments from 1500 to the present and covers a broad range of scientific disciplines, including astronomy, navigation, horology, surveying, geology, calculating, physics, biology, medicine, psychology, electricity, and communication Illustrated catalogues of other parts of the collection are anticipated in the near future.

    Ivory Diptych Sundials The Collection of Historical Ivory Diptych Sundials, is a catalogue illustrating in detail Harvard s collection of ivory diptych sundials, one of the largest holdings of these instruments in the world The collection Ivory Diptych Sundials, Catalogue of the During the sixteenth and seventeenth centuries, ivory diptych sundials were widely used to determine the time by day or night These elaborate portable sundials, which could be adjusted for different Ivory Diptych Sundials, Steven Lloyd, Penelope During the sixteenth and seventeenth centuries, ivory diptych sundials were widely used to determine the time by day or night These elaborate portable sundials, which could be adjusted for different rectangular ivory diptych sundial Objects The Since its inception in , various Harvard departments and private benefactors have added material to the original nucleus of the Collection of Historical Scientific Instruments CHSI , which now contains Ivory diptych sundial, Ch Bloud C Van Leest Ivory diptych sundial, Charles Bloud C Rectangular ivory diptych sundial with two leaves engraved, in black on each face, with a double lined frame with typical Dieppe ornamentation along Bloud type magnetic azimuth, ivory diptych sundial Description This is a magnetic azimuth sundial made of ivory in an octagonal shape Incised lines are filled in black Incised lines are filled in black There is a hole to store the pin gnomon, which is missing.

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      Published :2020-03-08T20:18:42+00:00

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    1. Harvard University A.J. Turner Penelope Gouk

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