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The bare term cylinder often refers to a solid cylinder with circular ends perpendicular to the axis, that is, a right circular cylinder, as shown in the figure. The cylindrical surface without the ends is called an open cylinder. The formulae for the surface area and the volume of a right circular cylinder have been known from early antiquity.
The whirly tube, corrugaphone, or bloogle resonator, also sold as Free-Ka in the 1960s-1970s, is an experimental musical instrument which consists of a corrugated (ribbed) plastic tube or hose (hollow flexible cylinder), open at both ends and possibly wider at one end (), the thinner of which is rotated in a circle to play.
Craigslist (stylized as craigslist) is a privately held American company [5] operating a classified advertisements website with sections devoted to jobs, housing, for sale, items wanted, services, community service, gigs, résumés, and discussion forums. Craig Newmark began the service in 1995 as an email distribution list to friends ...
John "Iron-Mad" Wilkinson (1728 – 14 July 1808) was an English industrialist who pioneered the manufacture of cast iron and the use of cast-iron goods during the Industrial Revolution. He was the inventor of a precision boring machine that could bore cast iron cylinders, such as cannon barrels [1] and piston cylinders used in the steam ...
In mechanics, a cylinder stress is a stress distribution with rotational symmetry; that is, which remains unchanged if the stressed object is rotated about some fixed axis. Cylinder stress patterns include: circumferential stress, or hoop stress, a normal stress in the tangential (azimuth) direction. axial stress, a normal stress parallel to ...
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A horizontal single-cylinder open-crank gas engine dating back to the 1920s with hot tube or spark ignition, 1.6875-inch bore and 3-inch stroke. The crankshaft was overhung, i.e. single main bearing. [66] [67] 600 A substantial horizontal single-cylinder open-crank gas (0.75 HP) or petrol (1.0 HP) engine. 2.5-inch bore, 4.5-inch stroke.