The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 358
in the usual manner. The ends or points of the moveable tonguerails, D and D, being made and constructed, as represented by thedotted lines, in addition to the full lines in the plan, fig. 1, and also byfigs. 2 and 3; fig. 2 being an elevation of the tongue rail D, showingthe inclination of the top…
Architecture · Civil engineering · Science
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