Two James Davenport Surveyor's Compasses, Philadelphia, Pennsylvania, 19th century, both with 6-in. dia. engraved silvered dials, one reading "L & J.M. Davenport/Maker/Philad.," both with sighting vanes and their original wood cases, lg. 14 in. Provenance: Robert Miller Collection. Estimate $200-300 Items may have wear and tear, imperfections, or the effects of aging. Any condition statement given, as a courtesy to a client, is only an opinion and should not be treated as a statement of fact. Skinner shall have no responsibility for any error or omission.