 | United States. War Department - 1871 - 484 páginas
...at station No. — is degrees. The observation of the vane requires more care than is usually given. In winds of considerable strength the vane is never at rest, or fixed iu the same direction ; it oscillates incessantly, and its oscillations increase in extent with certain... | |
 | United States. Army. Signal Corps - 1872 - 366 páginas
...its removal at any future time. The observation of the vane requires more care than is usually given. In winds of considerable strength the vane is never...oscillates incessantly, and its oscillations increase in extent with certain winds and with the violence of the wiad. In such cases observers must note the... | |
 | United States. War Department - 1873 - 1262 páginas
...removal at any future time. Gli. The observation of the vane requires more care than is usually given. In winds of considerable strength the vane is never...oscillates incessantly, and its oscillations increase in extent with certain winds and with the violence of the wind. In such cases observers must note the... | |
 | United States signal office - 1873 - 330 páginas
...time. The observation of the vane requires more care than is usually given. In winds of con: eiderable strength the vane is never at rest, or fixed in the...oscillates incessantly, and its oscillations increase in extent with certain winds and with the violence of the wind. In such cases observers must note the... | |
 | United States. Congress. House - 1873 - 1004 páginas
...time. The observation of the vane requires more care than is usually given. In winds of coniderahle strength the vane is never at rest, or fixed in the same direction ; it oscillates ini-^iiutly, and its oscillations increase in extent with certain winds and with the violence of be... | |
 | United States. Congress. House - 1874 - 1302 páginas
...removal at any future time. 5'i The observation of the vane requires more care than is usually given. In winds of considerable strength the vane is never at rest, or fixed iu the same direction; it osculate» incessantly, and its oscillations increase- in extent with certain... | |
 | United States. Congress. House - 1878 - 852 páginas
...Form 31. WIND-VANE. 35. The observation of the vane requires more care than ie usually given. In winds considerable strength the vane is never at rest or fixed in the, same direction ; it oscillati s incessantly, and its oscillations increase io extent with certain winds, and with the violence... | |
 | United States. Congress. House - 1879 - 940 páginas
...direction in which the arrow-head of vane pointe will be taken as the direction of the wind. In winde of considerable strength, the vane is never at rest...oscillates incessantly, and its oscillations increase with the violence of the wind. In such caaes observers must note the mean direction between the extremes.... | |
 | U.S. Signal office - 1887 - 226 páginas
...glancing at the anemometer cups. The observations of the vane require more care than is usually given. In winds of considerable strength the vane is never at rest or fixed in the same direction; and its oscillations increase in extent with certain winds and with the violence of the wind. In such... | |
 | United States. Army. Signal Corps - 1873 - 1024 páginas
...any future time. 53. The observation of the vane requires more care than is usually given. In winde of considerable strength the vane is never at rest,...oscillates incessantly, and its oscillations increase in extent with certain winds and with the violence of the wind. In such cases observers must note the... | |
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The observation of the vane requires more care than is usually given. In winds of considerable strength the vane is never at rest, or fixed in the same direction; it oscillates incessantly, and its oscillations increase in extent with certain winds and... 