Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 128
ound line, and distance in front of the vertical plane is shownin plan as distance from the ground line. 3. If a line is parallel to either plane, its actual length isshown on that piano, and its other projection is parallel to theground line. A line oblique to either plane has its projection… … ng. 6. Fig. •?, that plane in its true size and shape; if oblique it is shownsmaller than the true size, and if parpendicular it U shown as astraight line. Lines parallel in space must have their V projec-tions parallel to each other and also their H projections. If two lines intersect, their…
Architecture · Building · Carpentry
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