Spirograph (nonfiction): Difference between revisions
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'''Spirograph''' is a geometric drawing | [[File:Spirograph_set_(UK_Palitoy_early_1980s)_(perspective_fixed).jpg|thumb|Spirograph.]]'''Spirograph''' is a geometric drawing device that produces hypotrochoids and epitrochoids, which are varieties of roulette curves. | ||
It was developed by British engineer Denys Fisher and first sold in 1965. | |||
The name has been a registered trademark of Hasbro Inc. since 1998 following purchase of the company that had acquired the Denys Fisher company. | The name has been a registered trademark of Hasbro Inc. since 1998 following purchase of the company that had acquired the Denys Fisher company. | ||
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The Spirograph brand was relaunched with original product configurations in the USA in 2013 by Kahootz Toys and in Europe by Goldfish and Bison. | The Spirograph brand was relaunched with original product configurations in the USA in 2013 by Kahootz Toys and in Europe by Goldfish and Bison. | ||
== | == In the News == | ||
<gallery mode="traditional"> | |||
</gallery> | |||
== Fiction cross-reference == | == Fiction cross-reference == | ||
* [[ | * [[Weaponizing Spirograph]] - [[documentary film]] by [[Ridley Scott]] | ||
== External links | == Nonfiction cross-reference == | ||
* [[Machine (nonfiction)]] | |||
External links: | |||
* [https://en.wikipedia.org/wiki/Spirograph Spirograph] @ Wikipedia | * [https://en.wikipedia.org/wiki/Spirograph Spirograph] @ Wikipedia | ||
[[Category:Nonfiction (nonfiction)]] | |||
[[Category:Art (nonfiction)]] | |||
[[Category:Machines (nonfiction)]] | |||
[[Category:Mathematics (nonfiction)]] | |||
Latest revision as of 20:56, 22 June 2016
_(perspective_fixed).jpg){kind=link}
Spirograph is a geometric drawing device that produces hypotrochoids and epitrochoids, which are varieties of roulette curves.
It was developed by British engineer Denys Fisher and first sold in 1965.
The name has been a registered trademark of Hasbro Inc. since 1998 following purchase of the company that had acquired the Denys Fisher company.
The Spirograph brand was relaunched with original product configurations in the USA in 2013 by Kahootz Toys and in Europe by Goldfish and Bison.
In the News
Fiction cross-reference
Nonfiction cross-reference
External links:
- Spirograph @ Wikipedia