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 158
he blast enters the fire. The wet tuyere (Fig. 112) is made so that the nozzle issurrounded by a water-jacket, and has the advantage of not 140 FORGE WORK 141 being affected, to any great extent, by the heat of the fire.It thus gives very little trouble, and requires little or noattention beyond… … Fig. 114. by a lining of fireclay, which has to be periodically examinedand repaired, or totally renewed (when necessary). Undernormal conditions, renewal is only necessary after about fourmonths use. The dry tuyere is 50 per cent, cheaper thanthe wet type, but the renewing of the fireclay is a…
Metal-work
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