Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 596
e height from thetop of the nearest step to the ceiling above the lieaduuty ; the rounded edge ofthe step a nosing {a, Fig. 1403); and if a small hollow or cavetto (b) be gluedin the angle of the nosing and riser, it is called a moulded nosing. The pieceswhich support the ends of the stairs are the… … Fig. 1404- wide (Fig. 1405), called caniages. Sometimes the strings, instead of beingnotched out to receive the steps, have the upper and lower edges parallel, with grooves cut in the inner faces toreceive the ends of their steps and
Mechanical drawing
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