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The windmill as a prime mover (1885)
Wolff, Alfred R · New York, J. Wiley & sons · leaf 51
32 24 48 23 23 9 17 40 21 14 0 17 II 31 32 9 45 45 8 27 12 0.48 32 lO 46 23 5 4 17 23 20 13 45 21 II 18 36 9 34 27 8 17 13 0.49 31 56 51 22 47 22 17 6 47 13 30 56 II 6 6 9 23 33 8 7 37 0.50 31 43 3 22 30 0 16 50 42 13 16 57 10 54 3 9 13 3 7 58 22 34 THE WINDMILL AS A PRIME MOVER. The diagram^ (Fig-… … 0.10.20.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.11.2 1.31.41.5 1.61.7 1.8 1.9 2.0 2.12.2 2.3 2.4 2.52.6 2 7 2.8 2.9 3.0 3.13.2 3.3 3.4 3.5 Fig. 3. of the velocity of the wind to the velocity of the wind-mill blades, -. Thus, assuming the velocity of the windto be 31.416 feet per second, the diameter of the…Windmills
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