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  2. An Old-Time Nightmare - Wikipedia

    en.wikipedia.org/wiki/An_Old-Time_Nightmare

    An Old-Time Nightmare is a lost 1911 American silent fantasy comedy film. Directed by Fred Walton, the short was released as the latter half of a 1000-foot "split reel", with the first half being another comedy short, Lost in a Hotel. [5] [1] Both films were produced by the Powers Moving Picture Company of New York. This short's performers are ...

  3. Dovetail rail - Wikipedia

    en.wikipedia.org/wiki/Dovetail_rail

    The SIG Sauer 200 STR has an 11 mm dovetail on the receiver for mounting a diopter rear sight or a scope sight, either directly or via a Picatinny rail adapter.. Dovetails come in several different types and sizes depending on manufacturer, but the most common are the 11 mm and 3 ⁄ 8 inch (9.5 mm).

  4. Red dot sight - Wikipedia

    en.wikipedia.org/wiki/Red_dot_sight

    The mount is compact enough to be used on pistols, as well as rifles and shotguns. The dovetail is approximately 16.5 mm wide, and is radiused so as not to have any sharp edges. Also used on Aimpoint Acro C-2 and P-2, as well as Steiner MPS, Viridian RFX 45, CH Duty, Lucid Optics E7 [18] and Vector Frenzy Plus. Aimpoint Micro standard

  5. Picatinny rail - Wikipedia

    en.wikipedia.org/wiki/Picatinny_rail

    It is similar in concept to the earlier commercial Weaver rail mount used to mount telescopic sights, but is taller and has wider slots at regular intervals along the entire length. The MIL-STD-1913 locking slot width is 0.206 in (5.23 mm). The spacing of slot centres is 0.394 in (10.01 mm) and the slot depth is 0.118 in (3.00 mm). [8]

  6. List of photographs considered the most important - Wikipedia

    en.wikipedia.org/wiki/List_of_photographs...

    1911 Lewis Hine Pittston, Pennsylvania, United States Part of a series by the National Child Labor Committee to have child labor laws passed. [s 3] Triangle Shirtwaist Fire: 25 March 1911 Brown Brothers New York City, United States [s 3] Girl with a Mirror: 1912 [35] Clarence H. White: New York City, United States [s 1] Storyville Portrait ...

  7. Timeline of photography technology - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_photography...

    1902 – Arthur Korn devises practical telephotography technology (reduction of photographic images to signals that can be transmitted by wire to other locations).Wire-Photos are in wide use in Europe by 1910, and transmitted to other continents by 1922. 1907 – The Autochrome plate is introduced. It becomes the first commercially successful ...

  8. Mount Stromlo Observatory - Wikipedia

    en.wikipedia.org/wiki/Mount_Stromlo_Observatory

    The instrumentation group at Mount Stromlo Observatory has built two instruments for the Gemini Telescope. [18] This includes the near infrared integral field spectrometer, NIFS, deployed on Gemini-North, and the adaptive optics imager for Gemini-South, GSAOI. NIFS, when nearly completed, was destroyed in the bushfires of 18 January 2003, and ...

  9. List of 3D-printed weapons and parts - Wikipedia

    en.wikipedia.org/wiki/List_of_3D-printed_weapons...

    Receiver: 1911 based PDW FDM Deterrence Dispensed .45 ACP, 9×19mm Parabellum, .22 TCM: Utilizes a 1911 slide for the upper, and an AR-15 fire control group. An updated version, called the 3011DS, allows the use of double-stack higher capacity Remington and RIA magazines. 3DPD10 [55] 2023, April Frame: Pistol frame FDM Avidity Arms 9×19mm ...