Has 2 folding posts, sunlens; World War II; with lamp and instruction plates; exposed numerals; clear coated with acryloid; reading 6 (alpha) and 0 (beta) dpm / 100/cm2 swipe test after treatment. Created by Amelia Kile Date Created 01/09/2014 Source Smithsonian National Air and Space Museum Keywords Aviation Rights and Restrictions Not determined
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