The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 350
lic pieceformed the frustrum of a cone. At the time the presses were atwork there was nut one ton pressure to the square inch, the areaof the fracture being l,31fi square inches, and the weight sus-pended on the press 1,000 tons. The press was calculated to be;ir3i tons, a pressure to which… … Fi^. 1.
Architecture · Civil engineering · Science
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