Curiosities of glass making : with details of the processes and productions of ancient and modern ornamental glass manufacture (1849)
Pellatt, Apsley, 1791-1863 · London : D. Bogue · leaf 134
ce of liquid Glass is dropped on it, and becomes welded; and, if rubbed while hot, the upper coat of fused Glass will be spread as thinly as possible upon and around the cameo, behind which are driven any air bubbles that may be en- trapped; thus completely isolating the device between the two…
Glass manufacture · Glassware · Glassware, Ancient
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
