J. Hale Circumferentor, 9-in. dia. outer silvered scale calibrated in four quadrants, two hinged sighting vanes, with vernier from 30-0-30, 4-in. dia. central compass marked "J. Hale./Maker/Patd. Mar. 10 1886," housed in its original fitted box with two additional stationary vanes, lg. 13 in. Provenance: Robert Miller Collection. Estimate $200-400 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.
