Art. 3. Of the Dispositions of Fabricks, [68.]
The Dispositions of Buildings to be according to the use of the House, either publick or private; of Merchants Houses; of Country Houses; Of the several Apartments, [70.] Of Lights, [71.]
Art. 4. Of the convenient form of Buildings, [71.]
Of the Walls of Cities; Form of publick places, [72.] which were different among the Greeks and Romans; of Stairs and Halls, [72.]
Chap. IV. Of the Beauty of Buildings.
Art. 1. In what the beauty of Buildings consists, [74.]
Two sorts of beauty in Buildings; 1st, Positive, which consists in the Symmetry, Materials, and Performance, [75.] 2d. Arbitrary, which is of two sorts; 1. Prudence, 2. Regularity; which consist in the proper providing against Inconveniences, and observing the Laws of Proportion, [76.] The beauty is most seen in the proportion of these principal parts, viz. Pillars, Piedments, and Chambrantes, [78.] From these things result two other, Gender and Order, [79.]
Art. 2. Of the five Genders, or sorts of Fabricks, [80.]
The five sorts are Pycnostyle, Systile, [80.] Diastyle, Areostyle, Eustyle, [81.] The Genders to be always agreable to the Orders of Architecture, [82.]
Art. 3. Of the five Orders of Architecture, [84.]