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Schall
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Der Sundzoll : seine Geschichte, sein jetziger Bestand und sine staatsrechtlich-politische Lösung
Device for measuring sound in airplane engines
The problem of noise in civil aircraft and the possibilities of its elimination
Sound analysis recording apparatus
Report on Test on Buzzer, Type A-3 Submitted by Navy Yard, Portsmouth, N.H
Report of Test on Buzzer, Type A-3 Submitted by Navy Yard, Portsmouth, N. H
Die Entstehung von Schneidentönen durch Wirbelbildung
An Electrodynamic Source for Low Frequency Underwater Sound
The problem of noise reduction with reference to light airplanes
Underwater Sound Equipment I. Listening Systems
Effect of distance on airplane noise
Comparison of Sound Emission from Two-blade, Four-blade, and Seven-blade Propellers
Sound-level Measurements of a Light Airplane Modified to Reduce Noise Reaching the Ground
Sound from Dual-rotating and Multiple Single-rotating Propellers
Dynamometer-stand investigation of a group of mufflers
Free-space oscillating pressures near the tips of rotating propellers
Experiments in External Noise Reduction of Light Airplanes
Sound Measurements for Five Shrouded Propellers at Static Conditions