Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 595
578 ARCHITECTURAL CONSTRUCTION. The usual sizes of cylinder glass are 7 X 9 up to 24 X 36, butglass may be had up to 40 X 60; double thick, 48 X 62.polished or rough, may be had of a size as large as 14 X 8 feet. In Fig. 1393 theblind D is hinged tothe hanging stile, andis closed within theopening… … Fig. 1400. r r~ 1
Mechanical drawing
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