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  2. Cylinder - Wikipedia

    en.wikipedia.org/wiki/Cylinder

    If the elements of the cylinder are perpendicular to the planes containing the bases, the cylinder is a right cylinder, otherwise it is called an oblique cylinder. If the bases are disks (regions whose boundary is a circle) the cylinder is called a circular cylinder. In some elementary treatments, a cylinder always means a circular cylinder. [2]

  3. Cylinder seal - Wikipedia

    en.wikipedia.org/wiki/Cylinder_seal

    Most Mesopotamian cylinder seals form an image using depressions in the cylinder surface (see lead photo above) to make bumps on the impression and are used primarily on wet clay; but some cylinder seals (sometimes called roller stamps) print images using ink or similar using raised areas on the cylinder (such as the San Andrés cylinder seal ...

  4. Zoetrope - Wikipedia

    en.wikipedia.org/wiki/Zoetrope

    On the inner surface of the cylinder is a band with images from a set of sequenced pictures. As the cylinder spins, the user looks through the cuts at the pictures across. The scanning of the slits keeps the pictures from simply blurring together, and the user sees a rapid succession of images, producing the illusion of motion.

  5. Right circular cylinder - Wikipedia

    en.wikipedia.org/wiki/Right_circular_cylinder

    A right circular cylinder is a cylinder whose generatrices are perpendicular to the bases. Thus, in a right circular cylinder, the generatrix and the height have the same measurements. [ 1 ] It is also less often called a cylinder of revolution, because it can be obtained by rotating a rectangle of sides r {\displaystyle r} and g {\displaystyle ...

  6. O'Neill cylinder - Wikipedia

    en.wikipedia.org/wiki/O'Neill_cylinder

    Artist's depiction of a pair of O'Neill cylinders Interior view, showing alternating land and window segments. An O'Neill cylinder (also called an O'Neill colony) is a space settlement concept proposed by American physicist Gerard K. O'Neill in his 1976 book The High Frontier: Human Colonies in Space. [1]

  7. Cyrus Cylinder - Wikipedia

    en.wikipedia.org/wiki/Cyrus_Cylinder

    The Cyrus Cylinder is an ancient clay cylinder, now broken into several pieces, on which is written an Achaemenid royal inscription in Akkadian cuneiform script in the name of the Persian king Cyrus the Great. [2] [3] It dates from the 6th century BC and was discovered in the ruins of the ancient Mesopotamian city of Babylon (now in modern Iraq ...

  8. Cylinder head - Wikipedia

    en.wikipedia.org/wiki/Cylinder_head

    This is also common for motorcycles, and such head/cylinder components are referred to as barrels. Some engines, particularly medium- and large-capacity diesel engines built for industrial, marine, power generation, and heavy traction purposes (large trucks, locomotives, heavy equipment, etc.) have individual cylinder heads for each cylinder ...

  9. File:Piston cylinder.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Piston_cylinder.jpg

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