Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 59
Fig. 32. Constructing One Angle Equal to Another. center, and draw a short arc through point 1;and with this radius, and 3 as center, draw ashort arc intersecting arc 3F at 4. Then a lineconnecting 4 and D will form with the line DEan angle equal to ABO. PROBLEM 8 To Draw a Oircle through Three… … Fig. 33. Describing a Circle Fig. 34. Inscribing a Circle inthrough Three Given Points. a Triangle. MECHANICAL DRAFTING 39 the method of Problem 1, bisect each line. Thesebisectors D and E intersect at a point 1, whichis equally distant from a, b, and c. Hence thispoint is the center of a circle…
Architecture · Building
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