Design of Wind Tunnels and Wind Tunnel Propellers II (1921)
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FIG. 19.-VELOCITY VARIATIONS IN LARGE TUNNEL WHEN THE DRIVING MOTOR WAS CONNECTED TO A 25 K. W. GASOLINE GENERATING SET. … FIG. 20.—VELOCITY VARIATIONS IN LARGE TUNNEL WITH DRIVING MOTOR CONNECTED TO A 300 K. W. LIBERTY GENERATING SET.
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