A Victorian carved oak stick barometer, the ivory scales inscribed 'NEGRETTI & ZAMBRA, INSTRUMENT TO HER MAJESTY, LONDON HOLBORN VIADUCT, 45 CORNHILL, 122 REGENT STREET AND CRYSTAL PALACE, SYDENHAM,' above a turned ivory adjuster, one missing, the main body with a thermometer, the base with a later adjuster, 42in (107cm) h.
