The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 63
doing, the timber was not injured with bolt holes, and the casting conld atany time be easily taken out and replaced with another, had any accidenthappened to it. The spindles of the sheaves were very accurately turned,and the sheaves were likewise thrned, to take off all irregularities from…
Architecture · Civil engineering · Science
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