Compass, Surveyor's
Surveyor's compass, North Family, Mount Lebanon, NY
ca. 1795
Description
Surveying compass with blued compass needle centered in a printed dial surrounded by a brass compass ring, each quadrant stamped 0-90. Compass is sealed into a walnut case, protected by a glass disk secured with some sort of glazing compound. A cover slips over two brass posts that is held by means of two brass wire hooks that hook into holes in the posts. A walnut block with a circular brass insert is affixed to the center of the underside for mounting on a Jacob's staff or tripod.