interchangeable gears

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• Lathe — A lathe (pronEng|ˈleɪð) is a machine tool which spins a block of material to perform various operations such as cutting, sanding, knurling, drilling, or deformation with tools that are applied to the workpiece to create an object which has… …   Wikipedia

• One Good Turn (book) — For other uses of the term, see One Good Turn (disambiguation). One Good Turn: A Natural History of the Screwdriver and the Screw is a book published in 2000 by Canadian architect, professor and writer Witold Rybczynski. One Good Turn was a… …   Wikipedia

• change gear — noun 1. : a gear by means of which the speed of a mechanism or of a vehicle may be changed while the speed of its driving agent is constant 2. : any of a set of interchangeable gears for varying the speed ratio between two shafts (as on a screw… …   Useful english dictionary

• Lathe (metal) — Center lathe with DRO and chuck guard. Size is 460 mm swing x 1000 mm between centers A metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials. They were originally designed to… …   Wikipedia

• Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… …   Wikipedia

• Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …   Wikipedia

• machine tool — machine tooled, adj. a power operated machine, as a lathe, used for general cutting and shaping of metal and other substances. [1860 65] * * * Stationary, power driven machine used to cut, shape, or form materials such as metal and wood. Machine… …   Universalium

• Lenses for SLR and DSLR cameras — This article is about photographic lenses for single lens reflex film cameras (SLRs) and digital single lens reflex cameras (DSLRs). Furthermore, the emphasis is on modern lenses for 35 mm film SLRs and for DSLRs with sensor sizes less than or… …   Wikipedia

• Nikon F2 — Photomic (DP 1 prism) Type 35 mm SLR camera Lens mount Nikon F mount Focus manual Exposure manual …   Wikipedia

• Cogset — A freehub (above) for use with a cassette and a threaded hub (below) for use with a freewheel. On a bicycle, the cogset or cluster[1] is the set of multiple rear sprockets that attaches to the hub on the rear wheel. A cogset works with a rear… …   Wikipedia

• Toyota E engine — The Toyota E engine family is a straight 4 piston engine series, utilizing a timing belt rather than a chain. Like many of Toyota s other engine designs, the E engine series features a cast iron block, along with an aluminum cylinder head. The… …   Wikipedia