The Practical and Artistic Principles of Early Architecture in Great
Britain.
The close of the eleventh century--The “new manner of
building”--Conditions necessary to an _arcuated_, as distinguished
from a _trabeated_, style--First principles of Grecian and
Roman architecture--Rationale of the _arcuated_ style--Its
developments--Cloisters of St. Paul without the Walls and St.
John Lateran, Rome--Doorways--Windows--Vaulting over spaces
enclosed by walls or ranges of piers--Simplest elements
defined--Barrel-vaults--Hemispherical vaults or _domes_--Groined
vaults Page 133