A figured mahogany wheel barometer, G & L Guanziroli, London (Hatton Garden), c. 1840, with swan neck pediment and square bottom, hydrometer, thermometer, 8 3/4' dial and spirit level, signed. 1.00m
A figured mahogany wheel barometer, G & L Guanziroli, London (Hatton Garden), c. 1840, with swan neck pediment and square bottom, hydrometer, thermometer, 8 3/4' dial and spirit level, signed. 1.00m