Aircraft Bubble Sextant Type MA-2 Commemorative Display F6F Hellcat This offer is for a

This offer is for a vintage 500 Knot Airspeed Indicator as used in the Cold-War-era Grumman F7F Tigercat and AD-2 Skyraider of the US Navy

and details

designed by Ryan Aeronautical

Some pencil markings

The main pointer rotates clockwise as the airspeed increases

Aircraft Bubble Sextant Type MA-2 Commemorative Display F6F Hellcat This offer is for aThis is an Aircraft Bubble Sextant Type MA 2 elegantly mounted on a hefty wooden base with brass plaques dedicated to its recipient, pilot Colonel Melvin P. Clark, by appreciative navigators of the 323rd Flying Training Wing at Mather Air Force Base near Sacramento CA in 1978, where he was base commander. The sextant, made in 1957, swivels on the wooden base to permit viewing of all angles. The knobs on the sextant turn, but its operating condition is