friction drum

  • 91Dieselboy — For the rock band, see Diesel Boy. Dieselboy Dieselboy performing at Starscape, Baltimore, MD, July 6, 2010 Background information Birth name Dam …

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  • 92seismograph — seismographic /suyz meuh graf ik, suys /, seismographical, adj. /suyz meuh graf , grahf , suys /, n. any of various instruments for measuring and recording the vibrations of earthquakes. [1855 60; SEISMO + GRAPH] * * * Introduction… …

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  • 93PCC streetcar — Three PCCs on the San Francisco Municipal Railway s F line. An example of one double ended streetcar and two former SEPTA cars …

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  • 94Pulley — For the band, see Pulley (band). For the village, see Pulley, Shropshire. For the American photographer, see Gerald P. Pulley. Pulley Pulleys on a ship. In this context, pulleys are usually known as blocks. Classification …

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  • 95Thermal power station — Republika Power Plant, a thermal power station in Pernik, Bulgaria …

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  • 96Row counter (hand knitting) — Clover on needle row counters from Japan, 2000 2010 A row counter for hand knitting is a tally counter for counting rows or courses worked, for counting stitch pattern repetitions, or for counting increases or decreases of the number of stitches… …

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  • 97Adam Freeland — Infobox musical artist Name = Adam Freeland Img capt = Adam Freeland performing in Istanbul, Turkey Img size = Background = non vocal instrumentalist Birth name = Alias = Born = Origin = Instrument = Genre = Electronica Occupation = Disc jockey,… …

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  • 98Self-locking device — Self locking devices are devices intended to arrest the fall of solo climbers who climb without partners. This device is used for back rope solo climbing for ground up climbing or top rope self belaying . To date, several types of such self… …

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  • 99petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …

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  • 100Chapel Inclined Plane — The Chapel Inclined Plane is an inclined plane immediately to the south of Chapel en le Frith, High Peak, Derbyshire. Purpose The ground here rises sharply and the inclined plane was built to connect the lower and upper levels of the Peak Forest… …

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