Transactions of the Institute of British Architects of London (1835)
Royal Institute of British Architects · London · leaf 55
ne can be completed without difficulty. The key to this method is merely the employment of the horizontal upper surface, which being parallel to the plan of the vault, the respective ribs make with each other upon it the same mutual angles which they do upon the plan itself ; and the vertical… … nished us with another example in jig. 7 Fig. 14 represents the plan and elevation of this boss stone, in which is The plan of the vault from which this boss was taken was, however, much more complicated than that which I have given in Jig-. 13, but I have taken care to place the boss m in…
Architecture
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