[M2.29backL] [M2.29back] 29 is therefore a defective verb wanting its correlative. Now at the top of the series of arches - or frieze - is to be considered the placing of the roof, and form of cornice, and these two great forms of building when pure and simple the arch colonnade bearing cornice and roof and frieze colonnade bearing cornice and roof, are the two first perfect forms of architecture. Of the roof and gable we shall speak presently, but the next point we have to examine is that of superimposition. Superimposition. And first of its manner: If the Superimposition may 1st be frank and complete, that is to say if each capital be thoroughly finished with its complete abacus, and another shaft with a perfect base set on the top of it, and each course of architecture finished before another is set on the top of it: This may be called String course - or [gap] Architecture. (This will include St Ambrogio and Pisa, and Lucca and Pistoja, and all Venice and Florence.) 2ndly Involved architecture; in which some preparation is made for the upper tiers at the base of the lower, and some provision for it carried through the capitals of the lower tier Apertures. (This not in its place) but division is to be made between apertures fairly cut into the wall, and having nothing external but a dripstone: (which it is always difficult to support, and which has caused much awkwardness and part of the final ruin
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