A George III mahogany banjo barometer by M. Pensa & Son, 5 Greville Street, Hatton Garden, flame mahogany with satinwood strung border, the silvered circular dial engraved with a map of the world and a scale in Arabic numerals; the trunk further set with a level and maker's details, a 'DRY DAMP' scale, a thermometer and an ebony framed circular mirror, surmounted by a swan neck pediment. Height 110 cm