These items are not for sale and the descriptions, images and prices are for reference purposes only.
A late 19th century mahogany cased Sikes' Hydrometer with Hydrometer tables book; and a brass and ebony slide Rule the Hydrometer with the maker's mark for T.O Blake, 58 Hatton garden, London, Serial no. 2184, circa 1880, used to determine the concentrated
A Georgian banjo barometer. Maker: J Slutter 8 Symon Street Chelsea circa 1840. Shaped surround set with central circular glass topped barometer and ivory adjusting knop, below a thermometer and circular hydrometer. 94 cm high
An early Victorian mahogany banjo barometer, circa 1840s, with maker's mark for T. Pini, Princes Street, Redlion square, London, of double banjo form with a swan neck pediment and having an hydrometer, mercurial thermometer, a level, convex mirror and merc
A mahogany-cased Sikes's Hydrometer, Dring and Fage, London, numbered 14362, 19th century, comprising the float, rule, and ten graduated weights (thermometer lacking), fitted in the original mahogany case. Height 5.5 cm. Width 20 cm. Depth 7 cm. (case)
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