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  2. Bris sextant - Wikipedia

    en.wikipedia.org/wiki/Bris_sextant

    The Bris sextant / ˈ b r iː s /, or Bris Mini-Sextant, is not a sextant proper, but is a small angle-measuring device that can be used for navigation. [ 1 ] [ 2 ] The Bris is, however, a true reflecting instrument which derives its high accuracy from the same principle of double reflection which is fundamental to the octant, the true sextant ...

  3. Sight reduction - Wikipedia

    en.wikipedia.org/wiki/Sight_reduction

    In astronavigation, sight reduction is the process of deriving from a sight (in celestial navigation usually obtained using a sextant) the information needed for establishing a line of position, generally by intercept method.

  4. Bubble octant - Wikipedia

    en.wikipedia.org/wiki/Bubble_octant

    Mk VIII Bubble sextant in use on a Short Sunderland. Isaac Newton developed the quadrant. The octant was a further improvement. It could measure altitudes of up to 90° above the horizon. The first bubble instruments, which were developed by Gago Coutinho, were bubble sextants that copied the features of an ordinary sextant.

  5. Owner's manual - Wikipedia

    en.wikipedia.org/wiki/Owner's_manual

    If owners lose their car manual, they can either order a replacement from a dealer, pick up a used one secondhand, or download a PDF version of the manual online. [4] In 2017, IBM released IBM Watson Artificial Intelligence to understand and answer questions in natural driver language. [5] "Ask Mercedes" was the first in a wave of these vehicle ...

  6. Nautical almanac - Wikipedia

    en.wikipedia.org/wiki/Nautical_almanac

    To find the position of a ship or aircraft by celestial navigation, the navigator measures with a sextant the apparent height of a celestial body above the horizon, and notes the time from a marine chronometer. That height is compared with the height predicted for a trial position; the arcminutes of height difference is how many nautical miles ...

  7. Celestial navigation - Wikipedia

    en.wikipedia.org/wiki/Celestial_navigation

    A diagram of a typical nautical sextant, a tool used in celestial navigation to measure the angle between two objects viewed by means of its optical sight. Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator to accurately determine their actual current physical position in space or on the ...

  8. Haynes Manual - Wikipedia

    en.wikipedia.org/wiki/Haynes_Manual

    J. H. Haynes & Co. Limited was founded on 18 May 1960, and its first manual was entitled Haynes Owners Workshop Manual. Austin-Healey Sprite was published in 1965. [4] [7] The cover of many Haynes Manuals depicts a cutaway view technical drawing of the vehicle, drawn and signed by Terry Davey. [citation needed]

  9. Getrag F23 transmission - Wikipedia

    en.wikipedia.org/wiki/Getrag_F23_transmission

    General Motors provided a fix for "Noise #1" but stated that "Noise #2" was a characteristic of any car equipped with a manual transmission and that a similar noise could be repeated by lugging the engine. The remedy for "Noise #1" was to overfill the transmission with Saturn Manual Transmission Lubricant from the stock 1.8 quarts to 2.6 quarts.

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