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Early designs of perpetual motion machines were done by Indian mathematician–astronomer Bhaskara II, who described a wheel (Bhāskara's wheel) that he claimed would run forever. [2] A drawing of a perpetual motion machine appeared in the sketchbook of Villard de Honnecourt, a 13th-century French master mason and architect.
The wheel consisted of curved or tilted spokes partially filled with mercury. [1] Once in motion, the mercury would flow from one side of the spoke to another, thus forcing the wheel to continue motion, in constant dynamic equilibrium. Like all perpetual-motion machines, Bhaskara's wheel is a long-discredited mechanism.
A "Great Zoetrope; or: Wheel of Life", 50 feet (15 meters) in circumference, with "life-size figures", was installed in the Concert Hall of the Crystal Palace in London by permission of the London Stereoscopic and Photographic Company. The programme featured at least four animations based on strips in their catalogue.
The rival machine, the throstle frame or ring frame was a continuous process, where the roving was drawn twisted and wrapped in one action. The spinning mule became self-acting (automatic) in 1830s. The mule was the most common spinning machine from 1790 until about 1900, but was still used for fine yarns until the 1960s.
"Today, parents are looking for freshness, so the hot new names tend to break away from that mold," says Wattenberg. "Elodie, Sylvie and Margot are all rising fast." 100 French baby girl names
Lewis Paul was of Huguenot descent. His father was physician to Lord Shaftesbury.He may have begun work on designing a spinning machine for cotton as early as 1729, but probably did not make practical progress until after 1732 when he met John Wyatt, a carpenter then working in Birmingham for a gun barrel forger.
The Spinning Wheel is also the title/subject of a classic Irish folk song by John Francis Waller. [51] [52] A traditional Irish folk song, Túirne Mháire, is generally sung in praise of the spinning wheel, [53] but was regarded by Mrs Costelloe, who collected it, [54] as "much corrupted", and may have had a darker narrative. It is widely ...
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