Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 244
ns may be enclosed in brick, whichshould be not less than eight inches thick, or hollow terra-cotta tilesmay be used, preferably in two layers, each not less than two inches 193 184 BUILDING SUPEKINTENDENCE thick and breaking joints. (Fig. 232.) Columns may also be pro-tected by the use of metal…
Architecture · Building
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