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The rudiments of practical bricklaying : in six sections : general principles of bricklaying, arch drawing, cutting, and setting, different kinds of pointing, paving, tiling, materials, slating, and plastering, practical geometry, mensuration, etc. (1882)

Hammond, Adam · London : C. Lockwood · leaf 104

An illustration from The rudiments of practical bricklaying : in six sections : general principles of bricklaying, arch drawing, cutting, and setting, different kinds of pointing, paving, tiling, materials, slating, and plastering, practical geometry, mensuration, etc., 1882, leaf 104
88 BRICKLAYING. than p Xy describe two arcs, cutting each other at D ; then the line joining d p will be perpen- dicular to A B. When the poin t, P, is at the end of the line. … Or thus : Set one leg of the com- passes on B, and with any extent, b p, describe an arc, T x; set off the same extent from p to 5' ; join p q ; from q as centre with the extent, p g, as radius describe an arc r, and the line joining r b will be B perpendicular to A b. PROBLE:Nr II. Upon a given…

Bricklaying · Plastering · Masonry

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