e length, breadth, and heighth_, 139. _Of the Alley in the
middle_, 140.

Art. 3. _Of Halls_, 140.

_Three sorts of Halls, the_ Corinthian, _the_ AEgyptian, _and
the_ Cyzican, 141.

Art. 4. _Of the Distribution of the Apartments among
the Ancients_, 142.

_The Distribution of the Apartments different among the_
Greeks _and_ Romans; _what the Difference was_, 141.

_Chap. III._ Of things that equally appertain to Publick
and Private Buildings.

Art. 1. _Of Aqueducts_, 143.

_The manner the Ancients used to take the Level exactly_,
143 _The Water was brought by Aqueducts, or by Pipes of
Lead, or Potters Work_, 144.

Art. 2. _Of Wells and Cisterns_, 145.

_The Precautions the Ancients used in digging their Wells,
to discover bad Water, and in making their Cisterns_, 145.

Art. 3. _Of Machines for carrying and lifting up great
Stones and Burthens_, 146.

_Machines for drawing Pillars_, 147. _Architraves_, 147.
_for raising great Weights, three sorts; first, with a
Handmill; second, with a Windlas_, 147. _third, with several
Ropes, to be drawn by Mens Hands_, 148.

Art. 4. _Of Machines for elevating Waters_, 149.

_Five sorts; I. The Tympan_, 149. _II. A Wheel with Boxes.
III. A Chain with Buckets. IV. The Vice of Archimedes. V.
The Pomp of_ Cresibius, 151.

Art. 5. _Of Water-mills for grinding Corn_, 152.

_The Water-mills of the Ancients were like ours._

Art. 6. _Of other Hydraulick Machines_, 153.

_Three sorts of Water-Machines; first, for shewing the
hour_, 153. _Second, Organs_, 154. _Third, for measuring the
Way by Water_, 154. _by Land_, 155.

Art. 7. _Of Machines of War_, 155.

_Three kinds; I. To dart Arrows, &c._ 155. _II. To batter
down Walls_, 157. _III. To cover them in their Approaches to
the Walls of the Besieged_, 158.

AN
ABRIDGMENT
OF THE
TEN BOOKS
OF THE
ARCHITECTURE
OF
VITRUVIUS.

THE
INTRODUCTION.

ARTICLE I.

_Of