Details
A 19th-Century lacquered-brass siren,
signed Mawson & Swan London, the drum mechanism raised on a column with stand, the rotating vanes with axis driving two counter dials, one graduated 0-100, the other 0-2000, supported on two turned columns -- 9in. (24.7cm.) high; a double-wheel bench siren with winding handle, lacquered-brass fittings, bone-ivory label scratched LTPH58, on mahogany stand -- 21.1/8in. (53.6cm.) wide; and a set of laboratory foot bellows, the leather facings secured with iron studs, walnut top and mahogany base, with foot step -- 21in. (53.4cm.) long
signed Mawson & Swan London, the drum mechanism raised on a column with stand, the rotating vanes with axis driving two counter dials, one graduated 0-100, the other 0-2000, supported on two turned columns -- 9in. (24.7cm.) high; a double-wheel bench siren with winding handle, lacquered-brass fittings, bone-ivory label scratched LTPH58, on mahogany stand -- 21.1/8in. (53.6cm.) wide; and a set of laboratory foot bellows, the leather facings secured with iron studs, walnut top and mahogany base, with foot step -- 21in. (53.4cm.) long