A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 204
Fig. 29. When the courses are not over 12 inches high, they areusually bonded sufficiently to the backing by making thestones of various thicknesses, and by having one throughbond stone to every 10 square feet of wall, as shown at bin (a) and (/?), Fig. 29. 63. Very often ashlar is only from 2 to 4…
Architecture · Building
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