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The Altitude Laboratory for the Test of Aircraft Engines (1920)
NASA Technical Reports Server (NTRS) · leaf 15
FIG. 10.—SPRAGUE 300 HORSEPOWER ELECTRIC DYNAMOMETER. FIG. 13.—GAUGE BOARDS. SHOWING MANOMETERS, ENGINE CONTROLS, TACHOME- TERS. AND OTHER MISCELLANEOUS INSTRUMENTS.NASA Technical Reports Server (NTRS)
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