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Ernst Plank was a German manufacturing company. Started in 1866 and named after its founder the company initially built toy steam engines and magic lanterns at Hochfederstrasse 40 in Nuremberg . Ernst Plank was one of the first companies to produce toy steam engines and became famous for its copper and tin toys.
The sale left Pay 'n Save with 69 Ernst stores, three Yard Birds stores and wholesaler Northwestern Drug Co. [9] In January 1986, Pay 'n Save was renamed Seattle Standard Corp. [10] In March 1986, Hal Smith, former president of Irvine, California-based Builders Emporium, succeeded Mike Rouleau as president and CEO of Ernst.
The magic lantern, also known by its Latin name lanterna magica, was an early type of image projector that used pictures—paintings, prints, or photographs—on transparent plates (usually made of glass), one or more lenses, and a light source.
A stereopticon is a slide projector or relatively powerful "magic lantern", which has two lenses, usually one above the other, and has mainly been used to project photographic images. These devices date back to the mid 19th century, [ 1 ] and were a popular form of entertainment and education before the advent of moving pictures .
The magic lantern became a very popular medium for entertainment and educational purposes in the 18th and 19th century. This popularity waned after the introduction of cinema in the 1890s. The magic lantern remained a common medium until slide projectors came into widespread use during the 1950s.
A magic lantern with printed slide inserted (upright, so if the lantern was lit it would project an inverted picture) This list of lantern slide collections provides an overview of collections held in institutions internationally. The magic lantern was a very popular medium, particularly so from the 18th to the early 20th Century. There are ...
GreatWarin3D.org's Keystone View Company history page is available on the site, as is a spreadsheet documenting known World War I views; Stuart A. Rose Manuscript, Archives, and Rare Book Library, Emory University: World War I stereographic library, 1918-1921; Keystone Lantern photographic slide collection, at the University of Maryland libraries
Slide projector light generation and collimation system: from left to right, mirror / reflector, bulb, condenser lens 1, green-tinted heat-absorbing glass, condenser lens 2; a centrifugal fan, used to cool the bulb, is visible at the top of the picture. A projector has three main optical elements: [3]: 39–40