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A toy kaleidoscope. A kaleidoscope (/ k ə ˈ l aɪ d ə s k oʊ p /) is an optical instrument with two or more reflecting surfaces (or mirrors) tilted to each other at an angle, so that one or more (parts of) objects on one end of these mirrors are shown as a regular symmetrical pattern when viewed from the other end, due to repeated reflection.
Sir David Brewster KH PRSE FRS FSA Scot FSSA MICE (11 December 1781 – 10 February 1868) was a Scottish scientist, inventor, author, and academic administrator. In science he is principally remembered for his experimental work in physical optics, mostly concerned with the study of the polarization of light and including the discovery of Brewster's angle.
The kaleidophone was invented by Charles Wheatstone, who published an account of the device in 1827. [1] The name "kaleidophone" was derived from the kaleidoscope, an optical toy invented in 1817 by David Brewster. [citation needed] Wheatstone's photometer was probably suggested by this appliance. The photometer enables two lights to be ...
A viewing instrument is a type of optical instrument that is used to assist viewing or visually ... kaleidoscope; kinetoscope; laryngoscope; magnifying glass; microscope;
A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position. [1][2] In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45° angle.
March 5, 1817. Villaines-sous-Bois, Seine-et-Oise, France. Died. September 24, 1886. (1886-09-24) (aged 69) Louis Jules Duboscq (March 5, 1817 – September 24, 1886) was a French instrument maker, inventor, and pioneering photographer. He was known in his time, and is remembered today, for the high quality of his optical instruments.
Brandenburg Concertos. The Brandenburg Concertos (BWV 1046–1051) by Johann Sebastian Bach are a collection of six instrumental works presented by Bach to Christian Ludwig, Margrave of Brandenburg-Schwedt, in 1721 (though probably composed earlier). The original French title is Six Concerts Avec plusieurs instruments, meaning "Six Concertos ...
Rhapsody in Blue is a 1924 musical composition for solo piano and jazz band, which combines elements of classical music with jazz-influenced effects.Commissioned by bandleader Paul Whiteman and written by George Gershwin, the work premiered in a concert titled "An Experiment in Modern Music" on February 12, 1924, in Aeolian Hall, New York City.
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