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About this collection

The Aeronautic Instruments Photographic collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of altimeters, airspeed indicators, tachometers, and other aeronautical instruments. Also depicted are displays of the aeronautical instruments developed at NBS that were included as part of the 1918 meeting of the American Physical Society, which was held annually at NBS in Washington, D.C from 1907-1941 and 1948-1965. All of the aeronautic instruments examined and tested at NBS were based on European prototypes. Many were still in an elementary stage and underwent considerable modification in the laboratories prior to their adoption as standard by the U.S. Army and Navy. [From: Measures for Progress by R.C. Cochrane, p. 181, 437; APS Meeting 1910, www.aps.org]

 
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