SCOTTISH GEORGE III MAHOGANY STICK BAROMETER, BY BALTHAZAR KNIE, EDINBURGH LATE 18TH/ EARLY 19TH CENTURY the signed silvered dial inscribed with mercury Fahrenheit thermometer and main scale with manual vernier, inscribed KNIE EDIN, the long trunk of typical form with inlaid edge and visible tube, terminating in a hemispherical cistern cover (98.5cm high) Footnote: Provenance: The Earls of Crawford and Balcarres, Balcarres House, Fife, Scotland