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  2. Stadia mark - Wikipedia

    en.wikipedia.org/wiki/Stadia_mark

    If one observes a vertical length on a stadia rod, rule or levelling rod with the telescope and sees that the rod spans 0.500 m between the marks (the stadia interval), then the horizontal distance from the instrument to the rod is: 0.500m x 100 = 50 m. In the adjacent image, the upper stadia mark is at 1.500 m and the lower at 1.345 m.

  3. List of game controllers - Wikipedia

    en.wikipedia.org/wiki/List_of_game_controllers

    Connectivity: NES controller port Input: 1 trigger, photodiode: February 18, 1984 [5] Master System controller: Master System: Connectivity: Master System controller port Input: 2 digital buttons, D-pad: September 1986 [6] [7] NES Advantage: NES: Connectivity: NES controller port Input: 4 digital buttons, 2 adjustable knobs, 3 toggle buttons, 1 ...

  4. Stadiametric rangefinding - Wikipedia

    en.wikipedia.org/wiki/Stadiametric_rangefinding

    The interval between stadia marks in most surveying instruments is 10 mrad and gives a stadia interval factor of 100. The distance between the instrument and a stadia rod can be determined simply by multiplying the measurement between the stadia hairs (known as the stadia interval) by 100. The instrument must be level for this method to work ...

  5. Level staff - Wikipedia

    en.wikipedia.org/wiki/Level_staff

    The tenths of a foot point is indicated by the top of the long mark with the upward sloped end. The point halfway between tenths of a foot marks is indicated by the bottom of a medium length black mark with a downward sloped end. Each mark or space is approximately 3mm, yielding roughly the same accuracy as the metric rod.

  6. Nintendo 64 controller - Wikipedia

    en.wikipedia.org/wiki/Nintendo_64_controller

    The controller was designed to be held in three different positions. First, it can be held by the two outer grips, allowing use of the D-pad, right-hand face buttons and the "L" and "R" shoulder buttons (but not the Z trigger or analog stick). This style was intended to optimize play in 2D games by emulating the setup on the Super NES controller.

  7. Stadia - Wikipedia

    en.wikipedia.org/wiki/Stadia

    Stadia mark, crosshairs on the reticle of a theodolite or other surveying instrument; Stadiametric rangefinding (also stadia method), a technique of measuring distances with a telescopic instrument; Stadion (unit) (plural: stadia), an ancient Greek unit of length

  8. Levelling - Wikipedia

    en.wikipedia.org/wiki/Levelling

    The top mark is at 1,500 mm and the lower is at 1,345 mm; the distance between those two marks is 155 mm, yielding a distance to the rod of 15.5 m. Optical levelling , also known as spirit levelling and differential levelling , employs an optical level , which consists of a precision telescope with crosshairs and stadia marks .

  9. Game controller - Wikipedia

    en.wikipedia.org/wiki/Game_controller

    A game controller, gaming controller, or simply controller, is an input device or input/output device used with video games or entertainment systems to provide input to a video game. Input devices that have been classified as game controllers include keyboards , mice , gamepads , and joysticks , as well as special purpose devices, such as ...