The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 340
arth into which the blast is introduced isleft open above and at the sides; but a low w all is built next the bel-lows to prevent the heat from injuring them. The whole is afterwardsplastered over with clay and chopped straw, in order to maintain thedraught of the chimney entire. The chimney is… … Fig. 3—Sue Vie
Architecture · Civil engineering · Science
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