Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 193
ding the length oi B D. In using proportion, it is evident that B E, the run of the shortvalley, is to Ci^ as 7 feet 6 inches, or 90 inches, is to 13 feet 4 inches,or 160 inches. 5£;:287::90:160287X90 BE= 160 = 161.5 inches=13 feet 5h inches The rise is 7 feet 6 inches and the run is 13 feet 5|… … Fig. 204. Method of Using Clapboard to Cut Bevel on Rafter A C, or ® of 16 feet and the distance B D is just 9 feet. Hence, therun of 5 E is Vl¥+9= 13.45= 13 feet 5| inches, and this is -A ofthe run of the rafter C F. Hence, the run oiCFis 13.45X V = 23 feet11 inches. The end cut at B on B E, that…
Architecture · Building
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