BALTHASAR KNIE, EDINBURGH, CIRCA 1776
A SCOTTISH GEORGE III ANGLE BAROMETER
The shaped case with silvered scales 'Magnum Barometrum AProbatum', with Continental inch scales and English weather indications, brass tube fixings, manual sliding pointer, bulb cistern, Fahrenheit spirit thermometer headed 'Thermometrum', signed 'Balthazar Knie' to upper dial, inscribed 'DAWSON' to the reverse
Mahogany, brass
34 1⁄2 in. (87.5 cm.) high; 10 3⁄4 in. (27.3 cm.) wide; 1 in. (2.5 cm.) deep
BALTHASAR KNIE, EDINBURGH, CIRCA 1776
A SCOTTISH GEORGE III ANGLE BAROMETER
The shaped case with silvered scales 'Magnum Barometrum AProbatum', with Continental inch scales and English weather indications, brass tube fixings, manual sliding pointer, bulb cistern, Fahrenheit spirit thermometer headed 'Thermometrum', signed 'Balthazar Knie' to upper dial, inscribed 'DAWSON' to the reverse
Mahogany, brass
34 1⁄2 in. (87.5 cm.) high; 10 3⁄4 in. (27.3 cm.) wide; 1 in. (2.5 cm.) deep
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