Page:Archaeological Journal, Volume 4.djvu/34

22 the finished pinnacle and canopy, that an accomplished modern architect, however good a mathematician he may be, could hardly give his pupil better practice or clearer directions than to copy the diagrams, and work out the problems here given. But as we cannot expect the readers of the Archæological Journal to be prepared to follow the minutiæ of a mathematical treatise, we must content ourselves with a few specimens, and present them with a reduced series of the diagrams which will be generally appreciated, while those mathematicians who wish to do so can without difficulty draw out the definitions for themselves.

The first part teaches how "To raise a pinnacle from its foundation, according to the mason's art, and the rules of geometry."