Welcome to the 1520 Perfect Dictionary
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| Cassegrainian telescope | |
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| CASSEGRAINIAN TELESCOPE Definition: A reflecting telescope utilizing a paraboloidal mirror objective with a secondary convex hyperboloidal mirror. They are widely used as astronomical telescopes producing magnified images of very distant objects. ____________________________________ See perfect telescope. See perfect type (1). _____ See perfect use (1). See perfect use (2). | |
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 |