Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 578
Fig. 1342. … Fig. 1*4:3 is never borne by them. On the lagging, B, a cover of flat tile, C, is laid in ce-ment, and above ribs, D D, and girts, E E, in brick masonry, shown on a largerscale in Fig. 1344, with the plank P used for the support of the girt bricks E,which is removed after the mortar is set. The…
Mechanical drawing
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