Welcome to the 1520 Perfect Dictionary
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| Wet-and-dry-bulb thermometer | |
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| WET-AND-DRY-BULB THERMOMETER Definition: (physics) Two similar thermometers mounted side by side, the bulb of one being kept wet and therefore cooled by evaporation. The difference between the two thermometer readings can be used to determine the relative humidity of the air. ___________________________________ See perfect arrangement (1). See perfect particularity (1). See perfect instrument (1). ___ See perfect thermometer. | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |