11-03-2005 11-03-2005
Skinner Auctions
Skinner Auctions Bolton MA
2314
November 3, 2005 10:00 AMCalender
555

Brass Equinoctial Ring Dial

$764$650
Auction: Clocks, Watches & Scientific Instruments - 2314 Location: Bolton Date / Time: November 03, 2005 10:00AM

Description:

Brass Equinoctial Ring Dial, signed Johann Martin in Augsburg, with meridian ring divided 0-90 through one quadrant, hour ring engraved in Arabic numerals 1-12-1, engraved with the names of thirty European cities and their latitudes, the bridge with floriate-form axis, Zodiacal calendar in symbols on one side and initials of the calendar months on the other, dia. 2 1/2 in., (lacking cursor, pinhole and pins).
Estimate $600-800

Keywords

Johann Martin