An Excellent introduction to architecture being a book of geometrical practice, which is the first degree of all arts : wherein is contained variety of examples of that admirable science ...

CAlling the former rule to minde, I devised the manner how to forme and fashion divers kinds of vessels by the same, and I think it not amiss to set down some of them: This only is to be marked, that as wide as you will make the vessels within, so great you must make the inner most Circle. The rest, the skilful Workman may mark by the Figures, that is, how the lines are drawn to the Center, and the Parables, and out of the small Circle. The Perpendiculars hanging, the vessels are formed: the foot and the neck may be made as the Workman will.