White, Peregrine (1747-1834), Woodstock, Conn.

Surveying Compass, about 1790, made of brass, complete with original case, tripod, and gunter's chain. The instrument measures 12-1/4 in. overall. The dial, with a diameter of 5-5/8 in. and a pewter vernier ring, is inscribed "PEREGRINE WHITE/Woodstock." Tripod is 57-1/2 in. long and has walnut legs and a brass universal socket joint. Gift of Dr. and Mrs. Arthur M. Greenwood.

USNM 388993. Figure 23.

Figure 84.—Survey of land drawn and documented by George Washington for Thomas Loftan of Frederick County, Va., in 1751. Size: 12 in. wide, 7-3/4 in. high. USNM 238367.

Whitney, Thomas (fl. 1798-1821), Philadelphia, Pa.

Pocket Compass of brass encased in brassbound mahogany box with separate carrying case. Paper dial is inscribed "T. Whitney/ Phila." Carried by Capt. William Clark on the Lewis and Clark Expedition to the Pacific Coast in 1803-1806. USNM 38366. Figure 85.

Figure 85.—Pocket compass made and signed by Thomas Whitney of Philadelphia. With original carrying case. Carried by Capt. William Clark on the Lewis and Clark expedition to the Pacific Coast, 1803-1806. USNM 38366.