David Brewster invented the stereoscope & this toy, a tube with mirrors & colored glass in it
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History of Stereo Photography  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.
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Kaleidoscope - Wikipedia  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,...
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kaleidoscope facts, information, pictures | Encyclopedia.com articles ...  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.
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David Brewster and the Kaleidoscope - yovisto Blogyovisto Blog  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.
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kaleidoscope | optical device | Britannica.com  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...
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The Microscope  In 1673, with the aid of a crude microscope consisting of a biconcave lens enclosed in ... The former use visible light or ultraviolet rays to illuminate specimens. .... above or below the stage, depending on the type and make of the instrument. ... Thus, short wavelengths of the electromag-netic spectrum are better suited than...
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The 'inventor' of bifocals? - The College of Optometrists  Why it is wrong to say Benjamin Franklin 'invented' bifocals. ... Franklin has long been credited with the invention of bifocal spectacle lenses, but ... best at the distance proper for reading, is not the best for greater distances. ... A modern replica pair of the type of split bifocal spectacles known to have been worn by Benjamin...
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Make Your Own Kaleidoscope - Home Science Tools  How many reflections do you see? Now, lay a pencil in front of the mirrors so that it touches on each side. How many pencils are reflected? Experiment with...
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The Reflecting Telescope by Nora Donnelly on Prezi  Nov 17, 2014 ... Opticks Newton put a prism up to a window and saw that seven distinct ... but he didn't publish Opticks, which summarized his discoveries until 1704 ... 1687 he published his greatest work, Philosophiae Naturalis Principia Mathematica ... This helped explain the orbits of the planets as well as things like the...
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Mirror, Mirror, On the Bottle  mirrors were made by polishing disks of a metal such as bronze. These simple ... middle ages, beautiful mirrors were made by backing glass with thin sheets of metal foil, usually silver. ... Treatment of an aldehyde with a solution of silver nitrate.
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telescope facts, information, pictures | Encyclopedia.com articles ...  The following year, Galileo Galilei built the first astronomical telescope from a tube ... In order to correct for these, multiple lenses are required, much like the ... from material which is of highly uniform optical quality throughout its entire volume. .... wavelengths which are meters long, the resolution achieved has been to the...
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A Mendel Timeline: 1840-1849 - MendelWeb  The oil-immersion microscope is invented by Giovanni Battista Amici (1786-1863), ... The polka makes its U.S. debut, introduced by the ballerina Fanny Elssler (1810-1884), who had ..... The rotary, or "lightning" printing press is patented by Richard March Hoe (1812-1886). It is used first by the Philadelphia Public Ledger .
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Timeline of United States inventions (before 1890) - Wikipedia  A timeline of United States inventions (before 1890) encompasses the ingenuity and innovative ... It is a type of reflecting instrument that uses mirrors to reflect the path of light to the observer ...... Knuckle couplers replaced the much more dangerous link-and-pin couplers and ...... Jump up ^ "Eli Janney - The Janney Coupler".
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Who Invented the Telescope? - Space.com  Jul 13, 2013 ... Galileo Galilei improved on Lippershey's design and was the first to point a telescope toward the sky. ... 1500s, someone held up two lenses and discovered what they could do. Hans Lippershey, credited with invention of the telescope. ... In 1609, Galileo Galilei heard about the "Dutch perspective glasses"...
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jeopardy/1766_Qs.txt at master  jedoublen/jeopardy  GitHub  FURNITURE | A psyche was a 19th century standing one of these, mounted so that it could be tilted | mirrors. right: Wrong: Triple Stumper. Value: $1200.
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Golden Era of Refractors (Cosmology: Tools)  The trick was to combine a concave lens made from a leaded ("flint") glass ... One of these was a 9.5-inch telescope at Russia's Dorpat Observatory, installed in 1824 by F.G. Wilhelm Struve. ... Alvan Clark died at the age of 83 in 1887, the same year that the Lick 36-inch refractor was dedicated. ... 40" telescope at Yerkes...
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History of the holography  Holography dates from 1947, when British (native of Hungary) scientist Dennis Gabor ... while working to improve the resolution of an electron microscope. ... The first hologram of a person was made in 1967, paving the way for a ... When viewed, the composite images are synthesized by the human brain as a 3-D image.
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Glass harmonica - Wikipedia  The glass harmonica, also known as the glass armonica, glass harmonium, bowl organ, ... When Benjamin Franklin invented his mechanical version of the instrument in ... The Oxford Companion to Music mentions that this word is "the longest .... One example of alleged effects from playing the glass harmonica was noted by...
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Patent US3269253 - Periscope sextant - Google Patents  These operate with a pivotable mirror in the top of the periscope which mirror is ... 2 the angle between two adjacent reflecting surfaces of each unit of body 6 is circa ... After two reflections in said prism 7 the beam is transmitted to the bottom of the ..... A periscope sextant as olaimed in claim 1 wherein a scale graduation is...
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Charles Wheatstone - Inventors - About.com  English physicist and inventor, Charles Wheatstone invented an electric telegraph and several musical instruments. ... 1829 - Charles Wheatstone invented an improved accordion. 1834 - Charles Wheatstone used ... 1838 - Charles Wheatstone invented the stereoscope that showed three-dimensional photographs.
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Inventors - A Penny For Your Thoughts - Tripod  Four wheel roller skates were invented by James L. Plimpton in 1863. ... Craven Walker invented the lava lamp, and its contents are colored wax and water. ... aloud to the blind, and it can do so at speed half again as fast as normal speech. .... Baptist minister living in Yokohama, Japan, built the first model in 1869 in order to...