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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 ...
In other countries, the cover date usually matches more closely the date of publication, and may indeed be identical where weekly magazines are concerned. In all markets, it is rare for monthly magazines to indicate a particular day of the month: thus issues are dated May 2016 , and so on, whereas weekly magazines may be dated 17 May 2016 .
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 ...
Jurassic Park is a 1990 science fiction novel written by Michael Crichton; [2] it is a cautionary tale about genetic engineering that presents the collapse of a zoological park which showcases genetically recreated dinosaurs to illustrate the mathematical concept of chaos theory [3] and its real-world implications.
Dune is a 1965 epic science fiction novel by American author Frank Herbert, originally published as two separate serials (1963–64 novel Dune World and 1965 novel Prophet of Dune) in Analog magazine.
Among his other patents were the parabolagraph, the spirograph, the electric bell used in trains, and an electric arc lamp of his own design. [5] Abakanowicz published several works, including works on statistics , integrators and numerous popular scientific works, such as one describing his integraph .
Cover of the first tankōbon for Bleach, released in Japan by Shueisha on January 5, 2002. Bleach is a Japanese manga series written and illustrated by Tite Kubo.The plot starts with Ichigo Kurosaki, a teenager who accidentally steals the powers of the Soul Reaper Rukia Kuchiki and subsequently assumes her duties while she convalesces.