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The turnspit dog is an extinct short-legged, long-bodied dog bred to run on a wheel, called a turnspit or dog wheel, to turn meat. It is mentioned in Of English Dogs in 1576 under the name "Turnespete". [1] William Bingley's Memoirs of British Quadrupeds (1809) also talks of a dog employed to help chefs and cooks.
An early wheel made of a solid piece of wood. A wheel is a rotating component (typically circular in shape) that is intended to turn on an axle bearing. The wheel is one of the key components of the wheel and axle which is one of the six simple machines. Wheels, in conjunction with axles, allow heavy objects to be moved easily facilitating ...
The Specie Circular is a United States presidential executive order issued by President Andrew Jackson on 11 July 1836 pursuant to the Coinage Act of 1834. It required payment for government land to be in gold and silver (specie). [1] It was repealed by a joint act of Congress on 21 May 1838. [2]
A wheeled buffalo figurine—probably a children's toy—from Magna Graecia in archaic Greece [1]. Several organisms are capable of rolling locomotion. However, true wheels and propellers—despite their utility in human vehicles—do not play a significant role in the movement of living things (with the exception of the corkscrew-like flagella of many prokaryotes).
The 2011 video game Dark Souls features Wheel Skeletons (or "Bonewheels"), which wear a wooden-spiked wheel, allowing them to roll at high speed. [46] The 2021 Japanese children's stop motion animated series Pui Pui Molcar features guinea pig/vehicle hybrids. They are sentient, but are shown being driven around on roads by humans.
Hard money policies support a specie standard, usually gold or silver, typically implemented with representative money. In 1836, when President Andrew Jackson's veto of the recharter of the Second Bank of the United States took effect, he issued the Specie Circular, an executive order that all public lands had to be purchased with hard money.
The circular motion of the wheel was converted to a reciprocating motion at the saw blade. Generally, only the saw was powered, and the logs had to be loaded and moved by hand. An early improvement was the development of a movable carriage, also water powered, to move the log steadily through the saw blade.
The surveyor's wheel is marked in fractional increments of revolution from a reference position. Thus its current position can be represented as a fraction of a revolution from this reference. If the wheel rotated a full turn (360 angular degrees), the distance traveled would be equal to the circumference of the wheel. Otherwise, the distance ...