I Meaning leaning of Wet Vet Dry Bulb The United States Weather bureau bureau bureau bu bu- bu- bu reau says When we speak of the temperature of the air the dry bulb temperature is referred to in other I words the dry bulb is the ordinary thermometer By the wet bulb temperature is meant the temperature tempera- tempera ture ure as shown by a thermometer the bulb of which has been covered with a piece of muslin wet with water and from which the water has las been permitted to evaporate at ata ata ata a rapid rate so that the lowest temperature temperature temperature tem tem- is registered That is the evaporating water cools the bulb of the thermometer With these two wo temperature readings and with the aid of a set of tables called tables the relative I humidity and the temperature of the he are computed Relative Relative Rela- Rela tive ive and temperatures temperatures tem tem- temI I have wide application in various fields II