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 53
be inked—Fig. A,with lines of medium thickness; B with heavylines; and C with fine lines; while D, E, and Fare to be drawn with medium-weight lines. InFig. F the dotted pencil lines are to be erased,not appearing at all on the finished ink draw-ing. Make as nearly as possible the same dif-ference… … MECHANICAL DEAFTING 33 GEOMETRICAL PROBLEMS 46. There are certain problems of geomet-rical construction which it is essential that theintelligent draftsman should know. We shallnow present some of the more common of theseproblems. PROBLEM 1To Bisect a Given Straight Line Let AB, Fig. 25, be the…
Architecture · Building
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