A GEORGE III SHELL INLAID MAHOGANY WHEEL BAROMETER
G. FRIGERIO, LONDON. CIRCA 1820
The boxwood strung case with alcohol thermometer and hygrometer above the main engraved dial signed 'G Firgerio 281 High Holb''/LONDON'; mercury tube removed
38½ in. (98 cm.) high
A GEORGE III SHELL INLAID MAHOGANY WHEEL BAROMETER
G. FRIGERIO, LONDON. CIRCA 1820
The boxwood strung case with alcohol thermometer and hygrometer above the main engraved dial signed 'G Firgerio 281 High Holb''/LONDON'; mercury tube removed
38½ in. (98 cm.) high