 The thermometers are then whirled rapidly for fifteen or twenty seconds, stopped, and quickly read, the wet bulb first. This reading is kept in mind, the psychrometer immediately whirled again, and a second reading taken. This is repeated three or four...  Technical Gas and Fuel Analysis - Seite 108von Alfred Holmes White - 1913 - 276 SeitenVollansicht - Über dieses Buch
 | Missouri. State Board of Agriculture - 1891 - 846 Seiten
...thermometers are then whirled rapidly for 15 or 20 seconds, stopped and quickly read, the, wet bulb first. This reading is kept in mind, the. psychrometer immediately whirled again and a second reading taken. This operation is repeated three or four times, or more, if necessary, until at least two successive readings... | |
 | Charles Edwin Booth - 1911 - 366 Seiten
...seconds; stopped, and quickly read, the wet bulb first. This reading is kept in mind, the psychrometer whirled again, and a second reading taken. This is...very closely, thereby showing that it has reached Us lowest temperature. A minute or more is generally required to secure the correct temperature. When... | |
 | Milton Joseph Rosenau - 1913 - 1140 Seiten
...seconds, stopped, and quickly read, the wet bulb first. This reading is kept in mind, the psychrometers immediately whirled again and a second reading taken....tem.perature. A minute or more is generally required to secure a correct reading. The psychrometer should not be whirled in the direct rays of the sun, and if used... | |
 | Fletcher Bascom Dresslar - 1913 - 424 Seiten
...then whirled rapidly for fifteen or twenty seconds, stopped, and quickly read, the wet bulb first. This reading is kept in mind, the psychrometer immediately...bulb are found to agree very closely, thereby showing it has reached its lowest temperature. A minute or more is generally required to secure the correct... | |
 | 1916 - 624 Seiten
...thermometers are then whirled rapidly for 15 or 20 seconds; stopped and quickly read, the wet bulb first. This reading is kept in mind, the psychrometer immediately...four times, or more, if necessary, until at least two succeeding readings of the Continued on page 98. Air temp., f Depression of wet-bulb thermometer ((... | |
 | Donald Macy Liddell - 1918 - 680 Seiten
...RELATIVE HUMIDITY, PER CENT. — FAHRENHEIT TEMPERATURES. Continued Pressure = 30. flinches of mercury wet bulb are found to agree very closely, thereby showing that it has reached its lowestr temperature. A minute or more is generally required to secure the correct temperature. When... | |
 | 1938 - 136 Seiten
...thermometers are then whirled rapidly for at least 30 seconds ; stopped and quickly read, the wet bulb first. This reading is kept in mind, the psychrometer immediately...successive readings of the wet bulb are found to agree closely, thereby showing that it has reached its lowest temperature. Two minutes or more is generally... | |
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