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
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1991-150
- Measurements:
-
overall: 225 mm
- type:
- universal ring sundial
- credit:
- Wellcome Trust