Group of 4 WWII-era Navigation or Targeting Instruments. Including: U. S. Navy Torpedo Director. New York: Bristol & Martin, [ca. 1940s]. Mark 31 brass torpedo director with swiveling arm. Possibly used for a P. T. naval boat. Some wear, soiling, lacking the small arm extending between the fixed and swiveling arms. Good. [Together with]. ? U. S. Army Air Force sextant. New York: Fairchild Aviation Corporation, [n.d., ca. 1940s]. Type A-10 portable sextant. Metal sextant with rubber eye-guard and original mirrors and glass. With plastic discs and light. Some wear, soiling. In original wooden box with metal fixtures (plaque on upper lid lacking). Good. Includes: - WW2 gunner?s quadrant sextant. Minneapolis: Honeywell, 1942. With level and adjustment knob. Some wear, soiling (with green paint). Housed in original leather carrying case with brass clasp (some wear, soiling). - Navigator?s pocket kit. [Ca. early 1800s]. Including scale ruler, copper protractor, and three other tools. Stored in a case covered in shark [?] skin and with hinged cover, bone caps to both ends.