History of Sanitation
Forfatter: J. J. Cosgrove
År: 1910
Forlag: Standard Sanitary Mfg. Co
Sted: Pittsburgh U.S.A
Sider: 124
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HISTORY OF SANITATION 27
it would then be found, as most writers assert, that the
per capita daily supply of water to Rome was equal to
about loo U. S. gallons.
Such enormous quantities of water could not be poured
daily into a limited area without material and physical
injury resulting if provision were not made to dispose of
the surplus. Hence it was that a system of drains was
evolved in Rome, which, while not the first in point of
time, nevertheless were the only ones known to have been
constructed by the ancients, until within a comparatively
recent date ruins of sewerage systems were unearthed in
Bismya, an ancient Symerian or pre-Babylonian city.