Welcome to the 1520 Perfect Dictionary
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| Archimedes' screw | |
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| ARCHIMEDES' SCREW Definition: A pump consisting of a spiral screw revolving inside a closefitting cylinder. It is canted at an angle, with the lower end immersed in water. Rotating the screw causes water to be raised to the level of the higher end. ___________________________________ See perfect type (1). See perfect pump (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 |