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  2. Clear view screen - Wikipedia

    en.wikipedia.org/wiki/Clear_view_screen

    Other common names for it include "clear sight", "spin window", "Kent Screen" and "rotating windshield wiper". Clear view screens were patented in 1917 by Samuel Augustine de Normanville and Leslie Harcourt Kent as a stand-alone pillar-mounted screen, [ 1 ] with later patents for telescope and optics covers, followed by the more familiar ships ...

  3. Porthole - Wikipedia

    en.wikipedia.org/wiki/Porthole

    A porthole, sometimes called bull's-eye window or bull's-eye, [1] is a generally circular window used on the hull of ships to admit light and air. Though the term is of maritime origin, it is also used to describe round windows on armored vehicles , aircraft , automobiles (the Ford Thunderbird a notable example) and even spacecraft .

  4. Opera window - Wikipedia

    en.wikipedia.org/wiki/Opera_window

    An opera window is a small fixed window usually behind the rear side window of an automobile. [1] They are typically mounted in the C-pillar of some cars. [ 2 ] The design feature was popular during the 1970s and early 1980s and adopted by domestic U.S. manufacturers, most often with a vinyl roof .

  5. Gun port - Wikipedia

    en.wikipedia.org/wiki/Gun_port

    The lid is half open, and features an observation window and a ventilation opening, shown half-opened. It opens by pulling two chains that run from the top of the lid and through the hull, and closes by pulling chains running from below the lid and through the gun port.

  6. Port and starboard - Wikipedia

    en.wikipedia.org/wiki/Port_and_starboard

    Oncoming boat indicating its port (red) and starboard (green) sides The term starboard derives from the Old English steorbord , meaning the side on which the ship is steered. Before ships had rudders on their centrelines, they were steered with a steering oar at the stern of the ship on the right hand side of the ship, because more people are ...

  7. Bull's-eye window - Wikipedia

    en.wikipedia.org/wiki/Bull's-eye_window

    Bull's-eye window may refer to: Oeil-de-boeuf, an ornamental window with a circular frame; A window made from crown glass; Porthole, a circular nautical window; Oculus (architecture), a skylight at the top of a dome

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