Talk:Hemihelix

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Telephone cord?[edit]

If someone has an photo of a helical phone cord, where the direction of twist reverses, that would be good, as it indicates the helix segments on both sides of a perversion, thereby showing a hemihelix with one perversion. -- 65.94.171.206 (talk) 05:41, 30 April 2014 (UTC)[reply]