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 627
e space must be divided into a greater number;ia which case, if practicable, an odd number is to be [ireferred, taking care that the caissonsare not too much reduced in width. Jhis, however, is only for the purpose of ascertainingroughly how many caissons may be used in tlie circuit of the vault;…
Architecture · Architects
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