1660–1672, Francis Willughby (edited by David Cram, Jeffrey L. Forgeng and Dorothy Johnston), (republished in 2003 by Ashgate Publishing, ISBN 1859284604, 9781859284605), page 113:The motion of the table men round thorough the points repræsents the motion of the sun thorough the signes of zodiack. It is therefore likely that tables were at first round, but that beeing found inconvenient for the placing of the men they afterwards came to this oblong figure.
