Allen, J. Romilly (John Romilly), 1847-1907 · London, Methuen & Co · leaf 376
f circular knotwork appearto have been evolved in the following manner. It hasalready been shown how knot No. 3 can be derivedfrom a four-cord plait by making a series of horizontalbreaks at regular intervals, leaving two crossing-pointsof the cords between each break ; and how knot No. 4 1 H.… … Knot No. 3 Knot No. 4 Now if a pair of knots like No. 4 be placed oppositeeach other thus—
Art, Celtic
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