Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 629
rather than in the cellar. Fig. 1490 is a section of the front wall, showingheights of stories, which of late years have been increased over former practice,say to 16 for the first story, 13 for the second, and 12 and 11 for others, thelight for the interior being taken almost universally from the… … Fig. 1491. illuminating tile (Fig. 1492), that is, small glass lenses, set in iron frames, thewhote water-tight; or lenses on a skeleton frame of cast-iron set in Portlandcement. In the extreme rear there is a small area. A, open to the air, of about ^^^^^^^^^^^^^mi…
Mechanical drawing
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