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TIME-MEASURING INSTRUMENTS
An early 18th-Century silver Butterfield-pattern compass sundial,
Details
An early 18th-Century silver Butterfield-pattern compass sundial,
signed on the horizontal plate C. Langlois Paris au Niveau, engraved with hours for latitudes 52°, 49°, 46° and 43°, the inset compass with sixteen compass points, blued-iron needle with brass cap and a glazed cover, the folding gnomon with bird-shaped pointer, and graduated 40° - 60°, the underside engraved with the latitudes for thirty-one cities and towns, supported on a turned silver foot, in a maroon plush-lined leather-covered wooden case with sprung catch and two brass hooks and eyes -- 3 5/8in. (9.3cm.) long
See Colour Illustration
signed on the horizontal plate C. Langlois Paris au Niveau, engraved with hours for latitudes 52°, 49°, 46° and 43°, the inset compass with sixteen compass points, blued-iron needle with brass cap and a glazed cover, the folding gnomon with bird-shaped pointer, and graduated 40° - 60°, the underside engraved with the latitudes for thirty-one cities and towns, supported on a turned silver foot, in a maroon plush-lined leather-covered wooden case with sprung catch and two brass hooks and eyes -- 3 5/8in. (9.3cm.) long
See Colour Illustration