Welcome to the 1520 Perfect Dictionary
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| Personal equation | |
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| PERSONAL EQUATION Definition: The correction to be made in a reading, e.g. of a scientific instrument,in order to compensate for the tendency of an individual to err habitually in a particular direction. ____________________________________ WHICHEVER. See perfect correction (1). See perfect particularity (1). See perfect necessity (1). | |
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 |