United States. National Advisory Committee for Aeronautics, United States. National Aeronautics and Space Administration · Washington : G.P.O. · leaf 543
y not be usedfor anything except short periods. The instrument is of value, however, for obtaining theperiod and amplitude of small high frequency vibrations. The National Advisory Committee for Aeronautics accelerometer consists of a flat canti-lever spring, the deflection of whose end rotates a… … A n/m. Lamp.
Aeronautics
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