A history of architecture in Italy from the time of Constantine to the dawn of the renaissance (1901)
Cummings, Charles Amos, 1833-1905 · Boston, New York, Houghton, Mifflin and Company · leaf 240
he color of which did not matter, as it was hidden bythe gold; over this metal-coated slab a skin of colorless g-lass was fused, so as to pro-tect the metal leaf from injury or tarnish, and then the slab was broken up into cubes,the ^f/^^pol xp^oeoi of Byzantine writers. J. H. Middleton, in Encyc.…
Architecture -- Italy History
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