Circa 1928; wide; positions: static tube and alternate source.
Size: 3648px × 3648px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1920s, 20th, air, alloy, aluminium, aluminum, art, aviation, black, cadmium, century, close, close-, color, colour, concept, dial, education, educational, flight, hazmat, heritage, institution, instrument, instruments-flight, machine, management, metal, museum, nasm, national, object, paint, panel, part, plastic, plating, pressure, scientific, selection, smithsonian, space, static, steel, twenties, unknown, valve