mosaic glass reflector

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Crossley telescope — Mosaic image of the Crossley telescope. The Crossley telescope is an 36 inch (910 mm) reflecting telescope located at Lick Observatory in the U.S. state of California. Contents … Wikipedia
Tessera — Abaciscus redirects here. For the geometer moth genus, see Abaciscus (moth).: Tessella redirects here. For the moth genus, see Tessella (moth). Tessera has different meanings in different contexts.Art, in which case the glass pieces were flatter … Wikipedia
Palomar Observatory — Organization Caltech … Wikipedia
Photography — is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light sensitive material such as photographic… … Wikipedia
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
Liquid crystal — Schlieren texture of liquid crystal nematic phase Liquid crystals (LCs) are a state of matter that have properties between those of a conventional liquid and those of a solid crystal.[1] For instance, an LC may flow like a liquid, but its… … Wikipedia

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