cyclograph
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Examples from the Web for cyclograph
Historical Examples of cyclograph
Cyclograph for describing circular arcs in drawings where the centre is inaccessible.
The Library of Work and Play: Mechanics, Indoors and OutFred T. Hodgson