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Spirograph is a geometric drawing device that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids. The well-known toy version was developed by British engineer Denys Fisher and first sold in 1965.
Between 1962 and 1964 he developed various drawing machines from Meccano pieces, eventually producing a prototype Spirograph. Patented in 16 countries, it went on sale in Schofields department store in Leeds in 1965. A year later, Fisher licensed Spirograph to Kenner Products in the United States. In 1967 Spirograph was chosen as the UK Toy of ...
Bruno Abakanowicz died suddenly on 29 August 1900. In his will, he made Sienkiewicz the tutor of his sole daughter Zofia, who later graduated from the London School of Economics and the Sorbonne and was murdered during World War II at the Auschwitz concentration camp.
A pneumograph, also known as a pneumatograph or spirograph, is a device for recording velocity and force of chest movements during respiration. Principle of operation [ edit ]
1971: the world's first Bus Rapid Transit system, the Runcorn Busway, first conceived by Arthur Ling. [226] [227] [228] 1985: The Sinclair C5, a one-person battery electric vehicle, invented by Sir Clive Sinclair (1940–2021). 1997: World Land Speed Record, 1,228 km/h (763 mph), achieved by ThrustSSC, a jet-propelled car designed and built in ...
Kenner Products, known simply as Kenner, was an American toy brand owned by Hasbro.Kenner Products began as a toy company founded in 1946, going on to produce several highly recognizable toys and merchandise lines including action figures for the original series of Star Wars, Jurassic Park and Batman as well as die cast models.
Spirograph images are hypotrochoids, with curved "sides". Polytopes (like the runcinated 6-simplexes) though have straight line segments. Andy Dingley 15:51, 27 December 2016 (UTC) I did overlook that difference. Thanks. My parents bought me a Spirograph round 1972. 83.85.143.141 16:11, 27 December 2016 (UTC)
Engineers during World War Two test a model of a Halifax bomber in a wind tunnel, an invention that dates back to 1871.. The following is a list and timeline of innovations as well as inventions and discoveries that involved British people or the United Kingdom including the predecessor states before the Treaty of Union in 1707, the Kingdom of England and the Kingdom of Scotland.