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The first shipment of Spirograph arrived just before Christmas in 2012. The Spirograph (along with Kahootz' Lite-Brite) was exhibited at the 2013 Sweet Suite 13 [4] show in Chicago, Illinois and the 2014 American International Toy Fair in New York City, New York. [5] Since then, Kahootz Toys has expanded and released numerous new products and ...
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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 ...
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 ]
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On the Polish version it is said that spirograph was first invented and patented by Bruno Abakanowicz, on English and Polish versions of this man entries it is confirmed, but on English version of spirograph page he is not mentioned. What is the truth? —Preceding unsigned comment added by 87.206.105.125 19:23, 8 April 2011 (UTC)
A red spirograph-like design over a yellow background. "Prelude No. 5 in D Major" by Johann Sebastian Bach (BWV 850) Right Angleworms Multiple colored "worms" move along a Hilbert curve. original music by A.D. Chaplin