The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 423
Fig. 1. … Fig. 2. Fig. 1, shows a longitudinal section; fig. 2, a plan of a flask, with asand-mould representing a chair cast on to a core, the top side of themould being removed. To produce a clean or chill surface in certainparts of the chair, the iron part of the core is left to come in contactwith the…
Architecture · Civil engineering · Science
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