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17th century French horizontal compass dial, Bliss Collection of Astronomical Instruments

DF_2049.jpg

DF_2049

17th century French horizontal compass dial, Bliss Collection of Astronomical Instruments

2018

Finnin, Denis (photographer)

Digital Photographs

Used for orientation, a tiny compass is set in a covered box at the edge of this round dial. Hours are marked near the rim and a perpetual calendar and phases of the moon on the inner circles. On the back is a sighting rule and scales of degrees which help the user, by observing positions of certain stars, determine the time of night.

France

Europe

Astronomy

Astrophysics

Bliss Collection of Astronomical Instruments

Information on rights available at the repository.

Astrophysics

Collection

Citation

Finnin, Denis (photographer), “17th century French horizontal compass dial, Bliss Collection of Astronomical Instruments,” AMNH Research Library | Digital Special Collections, accessed July 22, 2019, http://lbry-web-007.amnh.org/digital/index.php/items/show/85877.