The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 321
pipes are large, the moulds may be similarly constructed for one. The second improvement is in the construction of boxes or flasks,and moulds, whereby they may be more readily handled than theordinary mould boxes, which consists simply in fitting wheels tothem, on which they may be wheeled about,… … 1849.] THE CIVIL ENGINEER AND ARCHITECTS JOURNAL. 281 The third improvement is in the construction of cores, which heforms of a hollow fluted cylinder, instead of wrapping wisps ofstraw round a rod, as usual. Round this cylinder he applies peator vegetable substance, sufficient to cover the flutes;…
Architecture · Civil engineering · Science
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