A barograph, by Negretti & Zambra, the lacquered-brass jewelled movement with recording drum and ink...
A late 19th-Century lacquered-brass barograph, unsigned, the recording drum with charts by Thomas...
A barograph, by E.B. Meyrowitz, the lacquered-brass and silvered mechanism and recording drum...
A barograph, by Short & Mason, the lacquered and silvered-brass mechanism with large recording drum...
A barograph, the lacquered-brass mechanism with aneroid, mounted with weather dial and Fahrenheit...
A barograph, unsigned, the lacquered-brass mechanism with recording drum, mounted on a mahogany...
A late 19th-Century desk barometer, by C.P.GOERZ, BERLIN, with spreading brass foot -- 6½in...
A late 19th-Century lacquered-brass cased aneroid barometer, signed on the painted glass cover CARL...
A 19th-Century Swedish lacquered-brass telegraph apparatus, by L.M. ERICSSON AND CO. STOCKHOLM, No...
A modern gilded and lacquered-brass gyroscope, the circle and wheel mounted in a cradle with...
A 19th-Century rosewood-framed gallery glass, with ebony turned handle, lens diameter 4in. (10.1cm...
A lacquered-brass and vulcanite galvanometer, by GAMBRELL BROS. & CO. LTD, LONDON, with glazed...
A Titanosauridae Geodetic Agatized Egg, (Upper Cretaceous/Maastrichtian 65-70 M years), found August...
A 19th-Century lacquered-brass dip-circle, unsigned, with level and cross-bubble, compensated steel...
A Crookes rock crystal tube, with label inscribed Dolomite, on wood stand -- 10½in. (26.6cm.) high...
An exceptional Geissler tube, the 1¾in. diameter tube with liquid-filled spiral twist and bulb...
A Brewster kaleidoscope with accessories (2...
An 18th-Century silver gilt snuff box...
A collection of coloured glass gem stones, with accompanying identification chart, in silk and...
A rare late 19th-Century lacquered and marbled-finish brass goniometer, signed on the stand Societé...
A mid 18th-Century German steel balance, with brass pans, the pillar with pulley operated by a...
A mid 18th-Century steel balance, with brass pans, the moulded brass pillar with pulley operated by...
A mid 18th-Century steel balance, with brass pans, the moulded brass pillar with pulley operated by...
A mid 17th-Century fruitwood scale box, the lid embossed with geometric and other designs, with...
A mid 17th-Century steel balance, with triangular and dished pan contained in a fruitwood case, the...
A 17th-Century steel balance, with triangular and dished pans contained in a fruitwood case, the lid...
A rare 18th-Century diamond balance, unsigned , the finely moulded burnished iron beam with two...
A late 17th-Century fruitwood scale box, the lid decorated with neo-classical portrait and punched...
An 18th-Century Dutch steel balance, with brass pans and weights, in shaped fruitwood case, the lid...
A 19th-Century folding guinea balance, unsigned, the mahogany case 5 5/8in. (14.3cm.) wide (closed...
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