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
Maurice Denys (sheriff) Agnes Danvers, in the 4th. Q. The arms of Denys are: "Gules, three leopard's faces or jessant-de-lys azure, over all a bend engrailed of the last". The Denys arms blazoned with these tinctures survive earliest in British Library Add.MS 45131, f. 54, a 1509 drawing of Hugh Denys (d. 1511) at the deathbed of Henry VII. The armourials are the arms of Cantilupe of Candleston Castle, Glamorgan, probably granted as "arms of patronage" to their feudal officials or tenants the Denys's, differenced by the imposition of a bend engrailled, probably before 1258. Cantilupe arms, reversed for difference, are still borne