Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 603
Fig. 1426 Fig. 1427. Fig. 1425 represents a form of gutter very common to city buildings, theroof boarding extending over the gutter; but it is preferable to make the roofpitch from both rear and front to the centre of the building, and to carry theleader down in the interior, where it may serve as…
Mechanical drawing
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