A dictionary of architecture and building : biographical, historical, and descriptive (1902)
Sturgis, Russell, 1836-1909 · New York : The Macmillan company · leaf 288
or aj)plication to plasteredceilings. Ke(;eiitly centix! pieces liave beenmade of carton jjierre and many other com))osi-fions, and in ceilings of thin metal the centrepiccis niiiy lie very elaliorate. CENTRING-. A tindier framework ormould, upon which the masonry of an archor vault is supjjorted… … Centring for an Arched Opening of Sm.ill SP.4.N. arch, and upon them the transverse laggingsare jjlaced which support the stones of thearch. In small arches the laggings are planksforming a close surface ; in larger works, eachcourse of arch stones is supported by a singlelight timber. The ribs are…
Architecture · Architects
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