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An Abbe–Koenig prism is a type of reflecting prism, used to invert an image (rotate it by 180°). They are commonly used in binoculars and some telescopes for this purpose. The prism is named after Ernst Abbe and Albert Koenig . The prism is made from two glass prisms, which are optically cemented together to form a symmetric, shallow Vee ...
In court (assembly, presbytery and session) a person may only be addressed as Mr, Mrs, Miss, Dr, Prof, etc. depending on academic achievement. Thus ministers are correctly addressed as, for example, Mr Smith or Mrs Smith unless they have a higher degree or academic appointment e.g. Dr Smith or Prof. Smith.
In crystallography, the monoclinic crystal system is one of the seven crystal systems. A crystal system is described by three vectors. In the monoclinic system, the crystal is described by vectors of unequal lengths, as in the orthorhombic system. They form a parallelogram prism. Hence two pairs of vectors are perpendicular (meet at right ...
Competition in sports. One selection of images showing some of the sporting events that are classed as athletics competitions.. Competition is a rivalry where two or more parties strive for a common goal which cannot be shared: where one's gain is the other's loss (an example of which is a zero-sum game).
Refracting telescope. A refracting telescope (also called a refractor) is a type of optical telescope that uses a lens as its objective to form an image (also referred to a dioptric telescope ). The refracting telescope design was originally used in spyglasses and astronomical telescopes but is also used for long-focus camera lenses.
Spring Creek Correctional Center in Seward. The Department of Corrections of the state of Alaska is an agency of the state government responsible for corrections. The department manages institutions, parole and probation. The current commissioner is Jen Winkelman. [1] The agency has its headquarters in the Douglas area of Juneau and offices in ...
Almost all commercial GPS units, even hand-held units, now offer DGPS data inputs, and many also support WAAS directly. To some degree, a form of DGPS is now a natural part of most GPS operations. Operation DGPS Reference Station (choke ring antenna) A reference station calculates differential corrections for its own location and time.
Epidote is an abundant rock-forming mineral, but one of secondary origin. It occurs in marble and schistose rocks of metamorphic origin. It is also a product of hydrothermal alteration of various minerals ( feldspars, micas, pyroxenes, amphiboles, garnets, and others) composing igneous rocks. A rock composed of quartz and epidote is known as ...