Windows : a book about stained & painted glass (1909)
Day, Lewis F. (Lewis Foreman), 1845-1910 · London : B. T. Batsford · leaf 113
97 through, the coloured part may be eaten away in places by acid (it used formerly to be abraded) by which means a pattern of white may be traced, for example, upon a ground … or four tints may be obtained upon the same piece of glass — say white, green, and yellow upon a blue ground. There is a third method of avoiding lead glazing. Little jewels of coloured glass may be cut out and fused on to white; but this process of “annealing” is not very safe. Still less to be…
Glass painting and staining · Windows
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
