Metal-work; a handbook for teachers and students (1914)
Adam, Hugh M. [from old catalog], Evans, James Humphrey, [from old catalog] joint author · New York, Longmans, Green and co.; London, E. Arnold · leaf 68
ainst the action of sea-water. THE ALLOY METALS 51 Lead.—The first mention of lead is in the Book of Numbers,being amongst the spoils taken from the Midianites. It isseldom found free in nature, although native lead does occurin small quantities in certain lead ores. The most commonore of lead is… … Fig. 14.—Flintshire Lead Furnace. Flintshire furnace, which is shown in Fig. 14. It is of thereverberatory type, and has a fairly large hearth, with a bottomof grey slags obtained from previous smeltings. This typeof furnace has been used in North Wales from very earlytimes. The ore is first washed…
Metal-work
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