A 19th-Century brass surveying compass, the silvered dial signed B Pike & Son New York., engraved with scrolls and flowers, the North point as a fleur-de-lis, scale divided in 4 quadrants, the edge-bar needle with jewelled cap, the shaped limb with level, cross-bubble and twin sights, with universal socket staff mounting, in mahogany case - 15½in. (39.4cm.) wide.