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Johann Ernst Elias Bessler ( ca. 1680 – 30 November 1745), known as Orffyreus or Orffyré, was a German entrepreneur who claimed to have built several perpetual motion machines. Those claims generated considerable interest and controversy among some of the leading natural philosophers of the day, including Gottfried Wilhelm Leibniz, Johann ...
Persol is an Italian eyewear brand specializing in the manufacturing of sunglasses and optical frames. It is one of the oldest eyewear companies in the world and is owned by the Luxottica group. The name is derived from the Italian per il sole, meaning "for the sun". Formed in 1917 by Giuseppe Ratti, Persol originally catered to pilots and ...
The aperture for the 120-centimetre-long ( 47. 1⁄4 in) axle is square, which means that the wheel and the axle rotated together. The Ljubljana Marshes Wheel is a wooden wheel that was found in the Ljubljana Marsh some 20 kilometres (12 mi) south of Ljubljana, the capital of Slovenia, in 2002. [1] Radiocarbon dating, performed in the VERA ...
Barlow's wheel was an early demonstration of a homopolar motor, designed and built by English mathematician and physicist, Peter Barlow in 1822. [1] It consists of a star-shaped wheel free to turn suspended over a trough of the liquid metal mercury, with the points dipping into the mercury, between the poles of a horseshoe magnet. A DC electric ...
The pedrail wheel is a type of all-terrain wheel developed in the late 19th and early 20th century by Londoner Bramah Joseph Diplock. It consists of a series of "feet" ( pedes in Latin) connected to pivots on a wheel. As the wheel travels, pressure exerted by springs within it increases the number of feet in contact with the ground, thus ...
A disk cipher device of the Jefferson type from the 2nd quarter of the 19th century in the National Cryptologic Museum. The Jefferson disk, also called the Bazeries cylinder or wheel cypher, was a cipher system commonly attributed to Thomas Jefferson that uses a set of wheels or disks, each with letters of the alphabet arranged around their edge in an order, which is different for each disk ...
Persol Holdings (rebranded from Temp Holdings) is a Japanese human resource management company, that provides labour hire services to clients. Corporate history [ edit ] The company was founded as 'Temp Holdings' in 1973 by Yoshiko Shinohara in her apartment.
It is being constructed so that two wheelchairs can be loaded on the train. The Ferris wheel will also be ADA compliant, he said. Both the Ferris wheel and the train will have to be inspected ...