Universal equinoctial ring sundial

Made:
1701-1800 in Moscow

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Universal equinoctial ring sundial signed (in Cyrillic) "A.S. Trindin, Moscow". The calendar declination scale incorporates the equation of time and some of the scales are also marked in Arabic. Russian, 18th century (B1680)

Details

Category:
Time Measurement
Object Number:
1991-150
type:
universal ring sundial
credit:
Wellcome Trust