Teleidoscope

• abstract: A teleidoscope is a kind of kaleidoscope, with a lens and an open view, so it can be used to form kaleidoscopic patterns from objects outside the instrument, rather than from items installed as part of it. It was invented by John Lyon Burnside III,kscopes kaleidoscope fansite Teleidoscope History who filed a patent for the invention in 1970 and was granted it in 1972.

以上来源于: WordNet