[DOC] [TLE] kaleidoscope | optical device | Britannica.com [PAR] The kaleidoscope was invented by Sir David Brewster about 1816 and patented 
in 1817. Sold usually as a toy, the kaleidoscope also has value for the pattern 
designer. ... In the early 1840s he improved the stereoscope by utilizing lenses to 
... of a tube holding colored glass, tinsel, or bead fragments and mirrors that 
reflect... [DOC] [TLE] Kaleidoscope - Wikipedia [PAR] A kaleidoscope is an optical instrument, typically a cylinder with mirrors 
containing loose, colored objects such as beads or pebbles and bits of glass. As 
the viewer looks into one end, light entering the other end creates a colorful 
pattern, due to repeated reflection in the mirrors. ... Modern kaleidoscopes are 
made of brass tubes, stained glass, wood, steel,... [DOC] [TLE] kaleidoscope facts, information, pictures | Encyclopedia.com articles ... [PAR] Those objects are fragments of colored glass, beads, tinsel, or other reflective 
materials. ... Inside the tube, three strips of mirrors are joined to form a triangle; 
the angles of the mirrors ... David Brewster (1781-1868) was born in Scotland 
and educated to become a ... Brewster invented and patented the kaleidoscope 
in 1816. [DOC] [TLE] David Brewster and the Kaleidoscope - yovisto Blogyovisto Blog [PAR] Jul 10, 2015 ... It consists of a cylinder with mirrors containing loose, colored objects such as 
beads or pebbles and bits of glass. As the ... David Brewster was born at the 
Canongate in Jedburgh, Roxburghshire, as the third of six children to ... Initially 
intended as a scientific tool, the kaleidoscope was later copied as a toy. [DOC] [TLE] History of Stereo Photography [PAR] Jul 31, 1996 ... The invention of the Brewster Stereoscope by the Scottish scientist Sir David ... 
These toys first became available during the 1940's and are still available today. 
... This type of stereoscope was invented by Sir David Brewster in 1849. ... and 
early anaglyphs were displayed using glass stereo lantern slides. [DOC] [TLE] Orchid | BEYONDbones [PAR] ... Sir David Brewster invented a tube with opposing mirrors running through it 
and ... as a child's toy, likely costing him millions in potential income and in 
reputation. ... first portable 3D viewing device, which he called the lenticular 
stereoscope. ... geometry-creating tube that scrapped the bits of colored glass 
and replaced it... [DOC] [TLE] Optics | BEYONDbones [PAR] ... Sir David Brewster invented a tube with opposing mirrors running through it 
and ... as a child's toy, likely costing him millions in potential income and in 
reputation. ... first portable 3D viewing device, which he called the lenticular 
stereoscope. ... geometry-creating tube that scrapped the bits of colored glass 
and replaced it... [DOC] [TLE] History of Animation by Nayah Karam on Prezi [PAR] Jun 1, 2015 ... It worked by having a colored shadow puppet made of artiodactyl mammal hide 
moving behind a screen ... The ' kaleidoscope' was invented by Sir David 
Brewster, a tube using two mirrors to reflect multiple images of coloured glass 
pieces. It proved to be one of the most popular optical toys ever created. [DOC] [TLE] "Stereoscope" by Eric Faden - Bucknell Digital Commons [PAR] Wheatstone's stereoscope placed two mirrors on either side that were mounted at 
a right ... The stereoscope was first seen as a philosophical toy along with other ... 
of the device that can adjust the lens on the two monocular tubes (Bokander 485)
. ... 1849: Sir David Brewster invented the binocular camera that maintained a... [DOC] [TLE] A History of Animation - My Learning [PAR] 1995 Pixar (American computer animation company) created 'Toy. Story'. 1975 
Will ... by Wilhelm Busch. 1851 At the Great Exhibition the Stereoscope was on 
display. ... 1817 The 'kaleidoscope' was invented by Sir David Brewster, a tube 
using two mirrors to reflect multiple images of coloured glass pieces. It proved to 
be... [DOC] [TLE] Kaleidoscope,Kaleidoscope,Encyclopedia_Shared ... [PAR] A kaleidoscope is an optical toy, as long as the tube eyes look, there will be a ... 
of three plane mirrors Prism Then,

Question: David Brewster invented the stereoscope & this toy, a tube with mirrors & colored glass in it
Answer: Kaleidoscope