拍品专文
Possibly made by a relation of the instrument maker of the same name from Stockholm.
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FOR THE RUSSIAN MARKET, LATE 18TH CENTURY
细节
A UNIVERSAL SUNDIAL
For the Russian market, late 18th century
signed on the silvered 8-point compass rose Westberg St Petersbourg, hour band III-XII-XI divided by 5 minutes, latitude arc, hinged support for plumb bob, four leveling screws, the underneath engraved with 5 towns and latitudes in Cyrillic.
5in. (13.5cm.) long
For the Russian market, late 18th century
signed on the silvered 8-point compass rose Westberg St Petersbourg, hour band III-XII-XI divided by 5 minutes, latitude arc, hinged support for plumb bob, four leveling screws, the underneath engraved with 5 towns and latitudes in Cyrillic.
5in. (13.5cm.) long