Hatfield, Robert Griffith, 1815-1879. [from old catalog] · New York & London, Wiley and Putnam · leaf 149
from/and e horizontallines to the vertical line, b d, meeting it in o and o; then/ o will bethe horizontal thrust at B, and e oat A; these will be found toequal one another. When the rafters of a roof are thus connected,all tendency to thrust the walls horizontally is removed, the onlypressure on… … Fig. 188. 251..—Fig. 187 and 188 exhibit methods of framing for sup-porting the equal weights, W and W. Suppose it be required tomeasure and compare the strains produced on the pieces, A Band .4 C. Construct the parallelogram of forces, e h f d, ac-cording to A rt. 248. Then h / show will the…
Carpentry · Architecture
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
