B66-480 SURVEYOR'S PLAIN COMPASS. Sawyer & Hobby. 5" needle, silvered dial with decorative engraving in center, "Sawyer & Hobby New York" at south and fleur-de-lis at north. Holes for crossed levels but levels missing. Good dial cover. In original mahogany box with sighting vanes and Jacobs staff mount, Frederick Lincoln label in lid. Brass is oxidized and never polished but no damage, dial very clean. Box is intact with original hardware. Sawyer & Hobby were in business from 1840 through 1854 and instruments by the partnership are uncommon. Good 200-400