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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 ...
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.
As a young man in 1827 he had developed a so-called "Speiragraph", an early prototype for the spirograph. He evidently continued on with experiments and inventions, and on 27 February 1860 received British patent no. 537 for 28 monocular and stereoscopic variations of cylindrical stroboscopic devices (see zoetrope ). [ 7 ]
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His patents allowed him to become a wealthy man and made him receive the Legion d'Honneur in 1889. The Château de Costaérès Around that time he retired to a small island in Trégastel , off the coast of Brittany , where between 1892 and 1896 he erected a neo-Gothic manor. [ 6 ]
[5]: 15 [7] He has attributed his early interest in underwater exploration to watching the 1954 film 20,000 Leagues Under the Sea, an adaptation of Jules Verne's 1870 novel. [ 5 ] : 19–20 While he was a high school student, his father connected him with oceanographers at Scripps Institution of Oceanography , and he participated in several ...
The Living Sea (1963, with James Dugan) World Without Sun (1965) The Undersea Discoveries of Jacques-Yves Cousteau (1970–1975, 8-volumes, with Philippe Diolé) The Shark: Splendid Savage of the Sea (1970) Diving for Sunken Treasure (1971) Life and Death in a Coral Sea (1971) The Whale: Mighty Monarch of the Sea (1972)
The Bathysphere on display at the National Geographic museum in 2009. The Bathysphere (from Ancient Greek βαθύς (bathús) 'deep' and σφαῖρα (sphaîra) 'sphere') was a unique spherical deep-sea submersible which was unpowered and lowered into the ocean on a cable, and was used to conduct a series of dives off the coast of Bermuda from 1930 to 1934.