Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 579
en-tres. Fig. 1347 is a perspective of a dome, inwhich the brick skeleton, ribs, and girtsare curved, with panels, B B, of concrete. In Italy ceilings are made in singlecourses of brick, groined, and laid withoutcentres, the arcs being described on theside-walls, and the bricks laid in plaster toa… … Fig. 1346. Fig. 1345.
Mechanical drawing
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