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 101
PRACTICAL GEOMETRY AND MENSURATIt)X. 8. An obtiis. angle is greater than ar^ht d:fig}e'] as c B o. "^^^1^ 9. A plane triangle is tlie space in closed by three straight lines, and has three angles, as b. … angle c. 12. An acute-angled triangle has all its three angles acute, as shown in figure B. 13. An equilateral triangle has all its sides and angles equal as d. 14. An isosceles triangle is that which has two of its sides equal, as e. 15. A scaline triangle is that which has all its sides unequal,…
Bricklaying · Plastering · Masonry
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
