are is removed, a hard, brittle, porous salts and other bodies are ground up with fatty turpentine, body. This is the biscuit, so called from its resemblance to and painted on in the ordinary manner. It is not until the ship bread. heat of the furnace has driven off the oil and chemically The next… … Fig. 10.—THE MUFFLE FUltNACE. Fiff. 8.-DIPPING IN GLAZING LIQUID heated in order to force them to take up moisture enough. give no idea, to the inexperienced eye, of the intended effect. t itrification. To witness the process we were conducted We next found the articles being packed in seggars a…
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