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16th century German book dial, Bliss Collection of Astronomical Instruments

DF_2000.jpg

DF_2000

16th century German book dial, Bliss Collection of Astronomical Instruments

2018

Digital Photographs

When opened, the dial's cover and base form an angle. The central string that connects them casts a shadow that marks the time at 48 degrees latitude. The compass serves to orient the dial north and south, and the lines marked on the base and cover indicate the shadow direction for each hour.

Germany

Bliss Collection of Astronomical Instruments

Information on rights available at the repository.

Astrophysics

Collection

Citation

Finnin, Denis (photographer), “16th century German book dial, Bliss Collection of Astronomical Instruments,” AMNH Research Library | Digital Special Collections, accessed September 16, 2019, http://lbry-web-007.amnh.org/digital/index.php/items/show/85873.