A treatise on architecture and building construction . i*-----*M. Fig. 14. FIG. 15. work, the former showing square recessed joints at a, and thelatter, rounded exterior edges. This finish is used largely forbasement work, and to emphasize piers and other projections. 23 MASONRY. § 8 sto:n^e maso:nt?y. GET^ERAL co:n^sideratio:n^s. 44. The stonework which enters into the constructionof buildings may be divided into three classes: rubble^ asJi-lar, and t7-immi)igs. Before describing these, however, afew general observations, applying to all classes of stonemasonry, are necessary. 45. Whatever ma


A treatise on architecture and building construction . i*-----*M. Fig. 14. FIG. 15. work, the former showing square recessed joints at a, and thelatter, rounded exterior edges. This finish is used largely forbasement work, and to emphasize piers and other projections. 23 MASONRY. § 8 sto:n^e maso:nt?y. GET^ERAL co:n^sideratio:n^s. 44. The stonework which enters into the constructionof buildings may be divided into three classes: rubble^ asJi-lar, and t7-immi)igs. Before describing these, however, afew general observations, applying to all classes of stonemasonry, are necessary. 45. Whatever may be the quality of mortar used, thewall should contain as much stone and as little mortar aspossible, as the former is the stronger material. In roughwalling, if the stones are pressed together until the moreprominent angles on their faces come almost into contact, theinterstices being filled with mortar, there results betterwork than if a thick, yielding mass of mortar is allowed toremain in the joints. Absolute contact is not advisable instonework, any more


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Keywords: ., bo, bookcentury1800, booksubjectarchitecture, booksubjectbuilding