The Plaskon Company produced the plastic used in the A-12 sextant developed by Ed Link and P. V. H. Weems during World War II. Celestial navigation was the most challenging aspect of navigational training. Most celestial navigation occurred on long-distance over-water flights.
Caption:
This wartime advertisement utilized the spotlight given to the newly established aircrew position of non-pilot navigator.
Type: Document
Image Date: April 1, 1942
Credit: National Air and Space Museum, Smithsonian Institution.
Origin: National Air and Space Museum, P.V.H. Weems Collection