Group of five color 20 x 16 educational prints detailing Earth's atmosphere and the solar system, published by the Douglas Aircraft Company in September 1962, with titles including: "Frequency Spectra," "The Planet Earth," "Thermal Properties," "The Solar System," and "Characteristics of the Earth's Atmosphere." Housed in an oversized official Douglas folder. In overall fine condition, with slight soiling to the front of the folder.
