"BENDIX AVIATION CORPORATION ECLIPSE-PIONEER DIVISION
TETERBORO, NEW JERSEY, U.S.A. TYPE NO. 3052-1-A" and "U.S. NAVY BUREAU OF SHIPS E.T.S. SEXTANT MARK 2 MOD. 0 N 24359 1944"
radius 6.5 inches
This sextant was made during World War II. The limb is graduated to single
degrees. A drum micrometer, the teeth of which mesh with teeth cut into the edge
of the limb, reads to 1 minute and, with vernier, to 6 seconds of arc.