On December 6, 1957, the Naval Research Laboratory attempted to launch Vanguard Test Vehicle 3, a 3-pound satellite equipped with two radio transmitters intended to gather data on Earth's shape and ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Project Vanguard represented the ...
On Dec. 6, 1957, the Naval Research Laboratory attempted to launch Vanguard Test Vehicle 3, an answer to Sputnik and part of the American effort to put a satellite in orbit during the International ...