Mechanical exercises, or, The elements and practice of carpentry, joinery, bricklaying, masonry, slating, plastering, painting, smithing, and turning . Tz(/.4^.. L,t„Jrt,l., :it>jStjfy . BRICKLAYING. 241 PLATE IT. Various specimens of English bond accordingto the different thicknesses of walls: in these theheading and stretching courses mutually crosseach other in the core of the wall, and there-fore produce an equality of strength. Fig. 1 shows the Bond of a 9 inch wall, hereas well as in the following it must be observed,that as the longitudinal extent of
Mechanical exercises, or, The elements and practice of carpentry, joinery, bricklaying, masonry, slating, plastering, painting, smithing, and turning . Tz(/.4^.. L,t„Jrt,l., :it>jStjfy . BRICKLAYING. 241 PLATE IT. Various specimens of English bond accordingto the different thicknesses of walls: in these theheading and stretching courses mutually crosseach other in the core of the wall, and there-fore produce an equality of strength. Fig. 1 shows the Bond of a 9 inch wall, hereas well as in the following it must be observed,that as the longitudinal extent of a brick is 9inches, and the breadth 4| inches, in order toprevent two vertical joints from running overeach other at the end of the first stretcher fromthe corner, after placing the return cornerstretcher, which becomes a header in the facethat the stretcher is in below, and occupies halfthe length of this stretcher; a quarter brick isplaced upon the side, so that the two togetherextend GJ inches, and leave a lap of 2^ inchesfor the next header, which being laid, lies withits middle upon the middle of the header below,and ill this manner the bond is co
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Keywords: ., bookcentury1800, books, booksubjectcarpentry, booksubjectgeometry
