Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 432
what mustthe length of each side be, so that both ends have similar area ? In Fig. 8, a 1) is 40 inches in diameter; and each one of thebranches <?, c7, and e are to have equal diameters, what must thediameter of the branches be, so that the combined area of c, c/,and e will equal the area oi…
Architecture · Building · Carpentry
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