Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 136
und in the same manner. 104 MECHANICAL DRAWING 85 The principle of cylinder development is used in laying outelbow joints, pipe ends cut ofi obliquely, etc. In Fig. 137 is shownplan and elevation of a three-piece elbow and collar, and develop-ments of the four pieces. In order to construct the… … Fig. 137. Plan, Elevation, and Development of Three-Piece Elbow and Collar fitting together as required. Knowing the kind of elbow desired,first draw the plan and elevation, and from these make the develop-ments. Let the lengths of the three pieces A, B, and C be the sameon the upper outside…
Architecture · Building
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