A George III Scottish mahogany stick barometer, by Balthazar Knie, late 18th/early 19th century, the arched silvered plate with floral engraving, main scale with manual Vernier scale and Fahrenheit spirit thermometer, the plate signed KNIE EDINr, the mahogany veneered case with distinctive Scottish top above the long trunk of typical form with boxwood strung edge and visible tube, with oval cistern cover having marquetry inlaid shell paterae, 99