An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth (1888)
Gwilt, Joseph, 1784-1863, Papworth, Wyatt Angelicus Van Sandau, 1822-1894 · London Longmans, Green · leaf 362
the forces two by twoand to combine these results similarly two by two,till we come to the principal ones, which may be ul-timately reduced to one, as we have seen above. Bysuch a process we shall find that PY (Jiff. 525.) isthe result of the forces PA, PB, PC, PD, whichaffect the point P. 1259.… … FiR. 5il.
Architecture · Architects
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