7, [1] pp, with 12 photographic plates and Echo II foil sample sheet. 4to
1961 · Northfield, Minnesota
by (NASA) Schjeldahl, G.T.
Northfield, Minnesota, 1961. 7, [1] pp, with 12 photographic plates and Echo II foil sample sheet. 4to. Brad bound in report folder, Very good. 7, [1] pp, with 12 photographic plates and Echo II foil sample sheet. 4to. A report by the G.T. Shjeldahl company-- the maker of the first communications satellites, Echo I and Echo II, launched by NASA in 1960 and 1964-- on the promise of the use of inflatable structures in space. Includes several photographic plates showing such structures, as well as a sample sheet of the foil material used in the manufacture of Echo II. (Inventory #: 317493)