Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 434
Fig. imz. Walls on party lines and confined to these lines are often partially supportedby cantilever beams reaching over interior posts. Such a construction is shownin Figs. 1001 and 1002. It is the safer construction to lay walls in air and open to inspection, and ENGINEERING DRAWING. 417 … therefore important that their foundations should be freed from water, whichcan be done by inclosing them with a bank of eartli or by a curb of sheet-piling(Figs. 1003 and 1004). Sheet-piling is usually of plank two to f i j Tthree inches thick, set or driven. ^For driving, the bottom of theplank…
Mechanical drawing
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