The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 423
and for guiding the core. This part ofthe invention consists of forming the core for the interior of the jawof a chair, with sand upon a metal interior, or core-bar, combinedwith the using of metal side-plates or surfaces as part of a mould, andas supports to the core. This part of the invention… … Fig. 1.
Architecture · Civil engineering · Science
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