Welcome to the 1520 Perfect Dictionary
Click on any title to read the full article
| Biprism | |
|---|---|
| BIPRISM Definition: Two prisms of glass, base to base, of very small refracting angles, employed by Fresnel to obtain interference between the light deviated by the two prisms. ___________________________________ See perfect prism (2). _____ See perfect use (1). See perfect use (2). | |
1520 Products |
||
|---|---|---|
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. |
||
 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |