Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 23
uantity of wateris poured in until the tubes are about half full, and the instrument being thenheld perpendicularly, with its mouth exposed to the wind, the water will be de •pressed in the tube a b, and proportionally elevated in the tube c d; and the dis-tance between the surfaces in the two… … BIRAMS ANEMOMETER. 19 Height of Water. Force of WiDd. Velocity per Hour,inches. lbs. Miles. i 1.3 18 i 2.6 25.6 1 5.2 36 2 10.4 60 3 15.6 62 4 20.8 76 5 26 80.4 6 31.25 88 7 36.5 95.2 8 41.7 101.6 9 46.9 108 10 52.1 113.6 11 57.3 119.2 12 62.5 124. ■weighs 1000 ounces, or 62J pounds nearly,…
Mechanical engineering
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