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Four wool spinning machines driven by belts from an overhead lineshaft (Leipzig, Germany, circa 1925) The belt drives of the Mueller Mill, model and reality, in motionA line shaft is a power-driven rotating shaft for power transmission that was used extensively from the Industrial Revolution until the early 20th century.
Reel mower. Reel mowers, also called cylinder mowers [2] (familiar as the hand-pushed or self-powered cylinder lawn mower), have a horizontally rotating cylindrical reel composed of helical blades, each of which in turn runs past a horizontal cutter-bar, producing a continuous scissor action. The bar is held at an adjustable level just above ...
Threaded tape of an open Compact Cassette in the tape drive. The capstan is a rotating spindle used to move recording tape through the mechanism of a tape recorder.The tape is threaded between the capstan and one or more rubber-covered wheels, called pinch rollers, which press against the capstan, thus providing friction necessary for the capstan to pull the tape.
The centrepin reel (or centerpin, center pin, or float reel) is a single-action reel which runs freely enough on its axle ("centrepin"). The centrepin reel is the earliest fishing reel design invented by humans, and is historically and currently used for coarse fishing. Instead of a mechanical drag, the angler's thumb is typically used to ...
To prepare for use, the supply reel (or feed reel) containing the tape is placed on a spindle or hub. The end of the tape is manually pulled from the reel, threaded through mechanical guides and over a tape head assembly, and attached by friction to the hub of the second, initially empty takeup reel.
The St. Louis Southwestern Railway of Texas (reporting mark SSW), operated the lines of its parent company, the St. Louis Southwestern Railway within the state of Texas. The St. Louis Southwestern, known by its nickname of "The Cotton Belt Route" or simply the Cotton Belt, was organized on January 12, 1891, although it had its origins in a rail line founded in 1871 in Tyler, Texas that ...
A polar diagram, or polar plot, is a graph that shows a sailboat's potential speed over a range of wind speeds and relative wind angles. [1] It normally consists of the right side of a line chart with the radius representing the yacht speed and the angle representing the wind direction blowing from top to bottom.
1959 Buick LeSabre with characteristic beltline surrounding the exterior Tesla Model 3 with front hood character line flowing into side beltline. The beltline is a line representing the bottom edge of a vehicle's glass panels (e.g. windscreen, side windows and rear window).