Rare and important antique quadrant with Nantucket label

A rare and important antique QUADRANT with the engraved ivory label "T.A. Gardner, Nantucket" Original dark green painted wooden case with mustard yellow interior. Interesting repair label from New Bedford. Very good condition with accompaning Nantucket 1832 newspaper advertisement. We know of no other Nantucket labelled navigational instrument - this is the best. Size: 11 x 12.5 inches overall. Sorry, SOLD