Welcome to the 1520 Perfect Dictionary
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| Torrecellian vacuum | |
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| TORRECELLIAN VACUUM Definition: The near-vacuum above the mercury in a barometer. This space contains mercury vapor of vapor pressure not greater than 0.004 mm. ____________________________________ ... not applicable. See perfect vacuum (4). See perfect location (1). ____ See perfect vacuum (1). See perfect specificity. ____ See perfect content (1). See perfect measurement (2). | |
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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 |