Artificial glass horizon in circular fitted wooden case with lid, made by unknown German maker (possibly G.F. Brander, Augsburg?), 1785-1795. Consisting of a circular lacquered brass container with three levelling feet, which holds spirit, covered by a transparent glass plate. When in use, the vessel is filled with spirit leaving an air-gap under the glass to act as a bubble level, which is centred with levelling screws.
Details
- Category:
- Astronomy
- Object Number:
- 1986-634
- Measurements:
-
Diameter: 46 mm
length 160 mm
width 160 mm
height 60 mm
- credit:
- Christie's South Kensington Limited
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