Improved Apparatus for the Measurement of Fluctuations of Air Speed in Turbulent Flow (1934)
NASA Technical Reports Server (NTRS) · leaf 24
. It has been found consists of a single RCA247 pentode vacuum tube, that a film speed of approximately one foot per second resistance-capacity coupled to the main amplifier, and may be used under the usual conditions of spot bright- working into a load resistor of 7,000 ohms, with plate ness and… … C. Cathode-ray oscillograph tube. A. Audio-frequency oscillator for calibrating and studying the distortion D. Power-supply unit for cathode-ray oscillograph. the amplifier. E. Time-axis apparatus for cathode-ray oscillograph. B. Single-stage amplifier for use with cathode-ray oscillograph. Figure…
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
