Roman Mosaic from Combe St Nicholas, Somerset

• The symmetry group of the tiling is 442 (p4).
• All the internal angles of the constituent polygons are a multiple of 45°.
• There are no non-regular reflective pairs and one tile with no mirror image.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace.
• The tiling is edge-to-edge.
• As drawn, contains about 49 polygons.

• Figure R 8b of Daniel Sheets Dye. Chinese Lattice Designs, Dover, 1937. ISBN 048623096. [dye] {Important book topic.}
• Page 28, Figure 7C (Colouring not known) of D S Neal. Roman mosaics in Britain, Society for the Promotion of Roman studies, 1981. ISBN 090776414. [neal] {Beautiful publication.}

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