Journal of the Franklin Institute; devoted to science and the mechanic arts (1826)
Franklin Institute (Philadelphia, Pa.) · Oxford, Eng. [etc.] Pergamon Press [etc.] · leaf 153
lues, that the horizontal thrust shall be equal at each jointof the arch. Now, by construction, we have given to the lines m M, n N, . . N m,Oft, &c, values, for they are geometrical conditions of the arch. Hence,to form a general equation. Represent any vertical line such as N mi o n, Po,… … P O IV 7IV (K + w-fV . . . +N>) : Jin a: b, or
Science · Patents · Meteorology · Technology
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.