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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.
I have an early 20th C. device (it shows up in a Sears catalog of 1908) called "The Marvelous Wondergraph". It has no gears but uses a rotating disc for the paper and a reciprocating arm with adjustable pivots to hold a dip pen. When cranked it produces designs just like a Spirograph. --Saxophobia 13:39, 30 June 2006 (UTC)
A pneumograph, also known as a pneumatograph or spirograph, is a device for recording velocity and force of chest movements during respiration.While spirometry measures respiratory rate and other markers of respiratory health via analysis of the airflow from the lungs during inhalation and exhalation, pneumography measures the respiratory rate via chest motion.
MacDonald made his first trade, a red paper clip for a fish-shaped pen, on July 14, 2005. He reached his goal of trading up to a house with the fourteenth transaction, trading a movie role for a house. This is the list of all transactions MacDonald made: [2] On July 14, 2005, he went to Vancouver and traded the paperclip for a fish-shaped pen.
IC 418, also known as the Spirograph Nebula, is a planetary nebula located in the constellation of Lepus about 3,600 ly away from Earth. It spans 0.3 light-years across. The central star of the planetary nebula, HD 35914 , is an O-type star with a spectral type of O7fp. [ 4 ]
Spirographa is a genus of parasitic fungi.It is the sole genus in the monotypic family Spirographaceae, belong to the order Ostropales. [1] The genus was circumscribed by Alexander Zahlbruckner in 1903, with Spirographa spiralis later assigned as the type species in 1923.
Illustration from Floral Poetry and the Language of Flowers (1877). According to Jayne Alcock, grounds and gardens supervisor at the Walled Gardens of Cannington, the renewed Victorian era interest in the language of flowers finds its roots in Ottoman Turkey, specifically the court in Constantinople [1] and an obsession it held with tulips during the first half of the 18th century.