On the theory and practice of art-enamelling upon metals (1899)
Cunynghame, Henry H. (Henry Hardinge), Sir, 1848-1935 · Westminster : A. Constable & Co. · leaf 158
Section of the Melting Furnace. the bottom. By having the bottom separate from thebody the furnace is kept from being clogged up, andis more easily repaired ; for enamel-making is veryapt to make a mess, and the enamel runs on the fire-clay, and sticks to it so hard that it can only be gotoff with… … THE MANUFACTURE OF ENAMEL may be removed to stir it and inspect the contentswithout removing the lid of the furnace. The greatthickness of the furnace is to make it retain heat. Ifa thinner one be used, it should be enclosed in a largecylindrical pot of sheet iron, and packed well withsome…
Enamel and enameling
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
