N.A.C.A. Recording Air Speed Meter
Description:
A new type of air speed meter is described which was designed by the technical staff of the National Advisory Committee for Aeronautics. The instrument consists essentially of a tight metal diaphragm of high natural period which is acted upon by the pressure difference of a pitot-static head. The resulting deflection of this diaphragm is recorded optically on a moving film.
Date:
October 1921
Creator:
Norton, F. H.
Item Type:
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