Welcome to the 1520 Perfect Dictionary
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| Gas thermometer | |
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| GAS THERMOMETER Definition: A thermometer containing a gas as the working substance, the determination of temperature being based upon the change of pressure at constant volume, or of volume at constant pressure, and possessing the advantage of high-sensitivity over conventional liquid thermometers. ___________________________________ See perfect thermometer. ____ See perfect type (1). ____ See perfect make. | |
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 |
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 1520 Marriage Game |