Ark: Difference between revisions

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==External links==
==External links==
*[http://www.argentum.freeserve.co.uk/lex_a.htm#ark Ark] at the Life Lexicon
*[http://www.argentum.freeserve.co.uk/lex_a.htm#ark Ark] at the Life Lexicon
*[http://pentadecathlon.com/objects/class4/typeB/SwitchEngine2/switchEngine2.php Double Switch Engine Puffers] at Pentadecathlon

Revision as of 10:06, 13 February 2009

An ark is a pair of mutually stabilizing switch engines. The most popular ark is Noah's ark.