Spirograph Bruno Abakanowicz invented the Spirograph between 1881 and 1900. It was used for calculating an area delimited by curves. Drawing toys based on gears have been around since at least 1908, when "The Marvelous Wondergraph" was advertised in the Sears catalog. An article describing how to make a Wondergraph drawing machine appeared in the "Boys Mechanic" publication in 1913. The Spirograph itself was developed by the British engineer Denys Fisher, who exhibited at the 1965 Nuremberg International Toy Fair. It was subsequently produced by his company. US distribution rights were acquired by Kenner, Inc., which introduced it to the United
Denys brass, Olveston father to L in Dexter position of honour. Russell was his heiress-mother, Gorges a former Russell heiress. On the R. is Sir Walter Denys, the son, with the arms of his co-heiress 2nd. wife, Agnes Danvers, in the 4th. Q. Denys:"3 leopards' faces jessant-de-lys, over all a bend engrailled". With tinctures it becomes:"Gules, 3 leopards' faces or jessant-de-lys azure, over all a bend engrailled of the last".The Denys arms blazoned with these tinctures survive earliest in BL Add.MS 45131,f.54, a 1509 drawing of Hugh Denys of Osterley(d.1511) at the deathbed of Henry VII. The armourials are the arms of Cantilupe