A 19th-Century lacquered brass surveying compass, the silvered dial signed W. & L.E. Gurley, Troy, N.Y., the fine blued-steel needle on pivot with cap, the compass circle divided in 4 quadrants, the shaped limb with level and cross-bubble and twin sights, in fitted mahogany case with makers trade label - 16 5/8in. (42.2cm.) wide.