Hicks' builders' guide : comprising an easy, practical system of estimating material and labor for carpenters, contractors and builders .. (1910)
Hicks, Isaac Perry, 1856- · New York : David Williams Company · leaf 126
124 THE BUILDERS GUIDE. The plumb cut of the valley E P is the same as theextension of the rafter to the ridge line and does notchange the cuts. OCTAGON HIP AND JACK RAFTERS. Let us now consider the problem of finding thelengths and bevels of octagon hips and jacks by theeasy system. Referring to… … Fig. 86.—Finding the Lengths and Bevels of Hips and Jacks on anOctagon Roof. and F represent the wall plate line, F G being therun of common rafter, G H the rise and F H thelength of common rafter. Next swing the commonrafter round to a perpendicular position, as F I. Setoff half the side of the…
Carpentry · Building
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