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 106
90 BRICKLAYING. an ^rc cutting the semicircle in c ; bisect a b at e, join c bisect the arc c b in r, join e f; then … this point erect a perpendicular cutting the line e c in X ; this will be the centre of the circum- scribing circle. Problem YI. To describe a regular hexagon upon a given line. Let A B be the given line. With a as centre and A B as radius describe an arc, and with b as centre with same radius…
Bricklaying · Plastering · Masonry
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
