Multimedia Gallery
Elder’s intended course and where she actual ended up were considerably different.
U.S. Navy hydrographers computed an alternate course for Elder and Haldeman after they disappeared.
Advertising poster showcasing the importance of overseas flight.
Transit was the first satellite-based global positioning and navigation system.
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Dieudonné Costes and his co-pilot, Joseph Le Brix, in Costes' Breguet Bre. 19 A2 Nungesser-Coli.
Roy Bardole used this touch-screen computer and an antenna (not shown) to receive enhanced GPS signals for working corn and soybean acreage in Iowa.
These tools were critical for quickly accessing distances and plotting courses.
Made by Jesse Ramsden in 1775, this machine permitted the automatic and highly accurate division of a circle into fractions of degrees of arc. The machine led to mass production of precision octants and sextants.
