Antique Compass by Walter Folger Jr., Nantucket

A very rare antique boat compass made by Walter Folger Jr. (1765-1849) of Nantucket. Dry card paper dial compass is suspended in a round copper box with lid. Folger was was a self taught mathematician, scientist, astronomer, lawyer, inventor, clockmaker, and Congressman. He served in Congress 1817-1821. Additionally he was part owner of the tragic whaleship Essex. Crack in glass, otherwise good condition with original surface. 4-1/2" diameter by 2-3/4" high.