3097
EDWARD WRENCH SURVEYOR'S COMPASS
LOT DETAILS
Signed Edward Wrench, Gray's Inn Terrace, circa 1840, 14cm (5 1/2in) silvered dial with sighting vanes, tripod staff mount, bubble level and compass cover; the compass needle locks, points west and 360 degree dial rotates by knurled knob below; overall dimensions 30.5 x 14.6cm (12 x 5 3/4in)