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p16009coll76

About this collection

All of the tachometers, altimeters, airspeed indicators, and other aeronautical instruments that came to NBS for examination in testing during World War I were based on European prototypes. Many were still in an elementary stage and underwent considerable modification in the NBS laboratories before their adoption as standard equipment in the US Army and Navy. As interest in the aviation industry grew after World War I, funds from the National Advisory Committee for Aeronautics, the Army Air Service, the Navy Bureau of Aeronautics, and after 1927, the aeronautics branch of the Department of Commerce, fueled NBS research on aviation engines, fuel economy, ignition, metallurgy, and instrumentation (From: Measures For Progress by Rexmond C. Cochrane, p. 181, 282).

 
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