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17th century French book dial, Bliss Collection of Astronomical Instruments

DF_2001.jpg

DF_2001

17th century French book dial, Bliss Collection of Astronomical Instruments

2018

Digital Photographs

As a traveler moved about, he could set the brace at the side of this dial to prop open the cover at angles matching different latitudes. The compass card lists various cities and their latitudes, and the cover contains a perpetual calendar with changing moon phases.

France

Bliss Collection of Astronomical Instruments

Information on rights available at the repository.

Astrophysics

Collection

Citation

Finnin, Denis (photographer), “17th century French book dial, Bliss Collection of Astronomical Instruments,” AMNH Research Library | Digital Special Collections, accessed September 19, 2019, http://lbry-web-007.amnh.org/digital/index.php/items/show/85879.