Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 488
Fig. 11 Fig. hi; man-holes, with straight pipe between. When necessary, catch-basins (ofwhich Fig. 1115 is a vertical section. Fig. 1116 a half plan and a half sectionalplan) are placed at the corner of the street or at depressions of the street gut-ters, to catch any heavy matter that might clog…
Mechanical drawing
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