Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 100
Fig. 9. … Fig. 10. lation It is well to remember that any section of a scalene conedrawn parallel to its base will have the same shaiDe (differing ofcourse in size) as the base. This is equally true of articles whose 77 18 SHEET-METAL WORK bases are in the shape of a square, rectangle, hexagon, octagon,…
Architecture · Building · Carpentry
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