Glossary · A
Aqueduct
Also called aqueducts
A conduit carrying water by gravity from a source to a city, in channels cut in the ground, tunnels through hills and bridges of arches across valleys. Roman aqueducts fell at gradients of a fraction of a per cent.
See also: Specus
Rules that use the word
The fall of an aqueduct. Lay the channel of an aqueduct with a steady fall of not less than a quarter of an inch in every hundred feet, cover it with a vault against the sun, and carry it through hills in tunnels and across valleys on arches.
Water for the new quarters. Bring water back to the high, empty parts of the city by aqueduct; let it arrive at a monumental fountain and feed public fountains at the crossings of the new streets, so that people will come to live there.
Where it appears in the book
In the chapters The Arch, The Classical World.
A feature of Ancient Roman architecture.
Nearby in the glossary
Apadana · Apophyge · Apron moulding · Apse · Arabesque · Araeostyle · Arboretum · Arcade