On the theory and practice of art-enamelling upon metals (1899)
Cunynghame, Henry H. (Henry Hardinge), Sir, 1848-1935 · Westminster : A. Constable & Co. · leaf 157
reclay,open at top and bottom, and should be 7 inches high,5^ inches internal diameter, and with walls 3 J inches 5 ART-ENAMELLING UPON METALS thick. The bottom should consist of a large slab offireclay with a trench in it, so that any melted glassthat falls down the sides of the crucible may… … 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…
Enamel and enameling
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