The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 316
In tlie annexed figures, fig. 1 is a side elevation, fig. 2 an end eleva-tion, fig. 3 a vertical section along the length, and fig. 4 a vertical sec-tion across the width of the pump, and the same letters refer to thesame parts in each figure ; .r, ,i, the axis by the rotation of which…
Architecture · Civil engineering · Science
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