The mechanical engineer's pocket-book. A reference-book of rules, tables, data, and formulæ, for the use of engineers, mechanics, and students (1910)
Kent, William, 1851-1918 · New York, J. Wiley & sons · leaf 566
Fig. 125. Fig. 124. If the braces support a uniform load, as a pair of rafters, the strainscaused by such a load are equivalent to that caused by one-half of theload applied at the center. The horizontal thrust of the braces againsteach other at the apex equals the tensile strain in the tie.…
Mechanical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.