A fine late 18th-century silvered and lacquered-brass universal equinoctia compass dial, signed on the hour ring GILBERT & WRIGHT LONDON, spring loaded gnomon with scroll support the horizontal plate with folidng latitude arc engraved 0 -60 , the silvered compass rose engraved with foliage, with blued-steel needle, two levels, on three adjustable supports in original green-plush lined fishskin covered case with three hooks and eyes, 5¾in. (14.6cm.) wide