Spirograph (nonfiction): Difference between revisions

From Gnomon Chronicles
Jump to navigation Jump to search
No edit summary
No edit summary
Line 1: Line 1:
[[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 curve (nonfiction)|roulette curves (nonfiction)]].
[[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.
 
== Description ==


It was developed by British engineer Denys Fisher and first sold in 1965.
It was developed by British engineer Denys Fisher and first sold in 1965.
Line 8: Line 6:


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.
== Fiction cross-reference ==
* [[Weaponizing Spirograph]] - [[documentary film]] by [[Ridley Scott]]


== Nonfiction cross-reference ==
== Nonfiction cross-reference ==
Line 13: Line 15:
* [[Geometric drawing device (nonfiction)]]
* [[Geometric drawing device (nonfiction)]]


== Fiction cross-reference ==
External links:
 
* [[Weaponizing Spirograph]] - [[documentary film]] by [[Ridley Scott]]
 
== External links ==


* [https://en.wikipedia.org/wiki/Spirograph Spirograph] @ Wikipedia
* [https://en.wikipedia.org/wiki/Spirograph Spirograph] @ Wikipedia

Revision as of 13:15, 21 June 2016

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 Spirograph brand was relaunched with original product configurations in the USA in 2013 by Kahootz Toys and in Europe by Goldfish and Bison.

Fiction cross-reference

Nonfiction cross-reference

External links: