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  2. Becker Type M2 20 mm cannon - Wikipedia

    en.wikipedia.org/wiki/Becker_Type_M2_20_mm_cannon

    The original design was based on the 19 mm Becker cannon cartridge by the Coenders brothers at Stahlwerke Becker of Reinickendorf, Germany. [2] [3] Development commenced in 1913 and was therefore already advanced when the War Ministry issued a specification in June 1915 calling for an aircraft cannon of under 37 mm caliber and 70 kg weight capable of firing a 10-round burst.

  3. Oerlikon 20 mm cannon - Wikipedia

    en.wikipedia.org/wiki/Oerlikon_20_mm_cannon

    The Oerlikon 20 mm cannon is a series of autocannons based on an original German Becker Type M2 20 mm cannon design that appeared very early in World War I.It was widely produced by Oerlikon Contraves and others, with various models employed by both Allied and Axis forces during World War II.

  4. Alfred Becker - Wikipedia

    en.wikipedia.org/wiki/Alfred_Becker

    Alfred Becker (20 August 1899 – 26 December 1981) was a German engineer and artillery officer who served during the First and Second World Wars. During the Second World War he took captured British and French vehicles and refurbished and rebuilt them to supply the German army with armoured fighting vehicles.

  5. List of rail transport modelling scale standards - Wikipedia

    en.wikipedia.org/wiki/List_of_rail_transport...

    In addition to these scales, the United Kingdom has, over the last forty years, fathered a scale that is based on the predominant British narrow track gauge of 2 ft (610 mm). Using 32 mm ( 1.26 in ) - 0 gauge - track, there is an extensive range of 16 mm to the foot scale [1:19] live-steam and other types of locomotives, rolling stock and ...

  6. Scale ruler - Wikipedia

    en.wikipedia.org/wiki/Scale_ruler

    A scale ruler is a tool for measuring lengths and transferring measurements at a fixed ratio of length; two common examples are an architect's scale and engineer's scale.In scientific and engineering terminology, a device to measure linear distance and create proportional linear measurements is called a scale.

  7. Technical drawing tool - Wikipedia

    en.wikipedia.org/wiki/Technical_drawing_tool

    An architect's scale. A scale ruler is a scaled, three-edged ruler which has six different scales marked to its sides. A typical combination for building details is 1:20, 1:50, 1:100, 1:25, 1:75 and 1:125. There are separate rulers for zoning work as well as for inch units. Today scale rulers are made of plastic, formerly they were made of ...

  8. Gustav Becker - Wikipedia

    en.wikipedia.org/wiki/Gustav_Becker

    Gustav Eduard Becker (May 2, 1819 in Oels, Silesia - September 17, 1885 in Berchtesgaden) was a German clockmaker and founder of the brand Gustav Becker. [1] Biography

  9. Binary decision diagram - Wikipedia

    en.wikipedia.org/wiki/Binary_decision_diagram

    In popular usage, the term BDD almost always refers to Reduced Ordered Binary Decision Diagram (ROBDD in the literature, used when the ordering and reduction aspects need to be emphasized). The advantage of an ROBDD is that it is canonical (unique up to isomorphism) for a particular function and variable order. [ 1 ]