When a number of cables follow the same route, they are generally laid in conduits made up of earthenware or cement ducts; iron pipes are used when the number of cables is small.
The cost of intra-urban railways depends not only on the type of construction, but more especially upon local conditions, such as the nature of the soil, the presence of subsurface structures, like sewers, water and gas mains, electric conduits, &c.; the necessity of permanent underpinning or temporary supporting of house foundations, the cost of acquiring land passed under or over when street lines are not followed, and, in the case of elevated railways, the cost of acquiring easements of light, air and access, which the courts have held are vested in the abutting property.
- New York Rapid Transit railway, showing also the tracks and conduits of the electric surface tramway.
The stones were carefully cleared from the fields, which were also watered from canals and conduits, communicating with the brooks and streams with which the country " was well watered everywhere," and enriched by the application of manures.
Brazil's chief industrial importance is due to its situation in the heart of the "Brazil block" coal (so named because it naturally breaks into almost perfect rectangular blocks) and clay and shale region; among its manufactures are mining machinery and tools, boilers, paving and enamelled building bricks, hollow bricks, tiles, conduits, sewer-pipe and pottery.
There was a Queen Eleanor cross here, and conduits supplied the city with water.
The streets were hung with rich cloths of silk arras and tapestry; the aldermen and principal men of the city threw out of their windows handsful of gold and silver, to signify their gladness at the king's return; and the conduits ran with wine, both white and red.
Reichenhall is the centre of the four chief Bavarian salt-works, which are connected with each other by brine conduits having an aggregate length of 60 m.
Hence the regulation of the zerethra or subterranean conduits which drained away the overflow southward was a matter of vital importance both to Tegea and to Mantineia, and a cause of frequent quarrels.
Mt Taylor in western New Mexico is of similar age, but here dissection seems to have advanced farther, probably because of the weaker nature of the underlying rocks, with the result of removing the smaller cones and exposing many lava conduits or pipes in the form of volcanic necks or buttes.
The latter's prosperity is still attested by its archaeological remains (notably the "Treasury of Minyas") and the traces of artificial conduits by which its engineers supplemented the natural outlets.
P. 401); the conduits of Ras el-`Ain, south of Tyre, are considered to be of ancient date.
The water flows from the ditches as conductors into built conduits formed at right angles to them in parallel lines through the fields; it rises upwards in them as high as the surface of the ground, and again subsides through the soil and the conduits into the ditches as main drains, and thence it passes at a lower level either into a stream or other suitable outfall.
Large sluices of stone, with strong doors, to be shut when it is wished to exclude the tide, may be seen on both banks of the river, and from these great conduits are carried miles inward through the flat country to the point previously prepared by embankment over which the muddy waters are allowed to spread.
These main conduits, being very costly, are constructed for the warping of large adjoining districts, and openings are made at such points as are then undergoing the operation.
The organs are thus merely conduits or passages through which the atoms pour into the soul.
The brine is pumped into conduits, carried to large ponds and there evaporated by the sun; during late years the salt has been refined here, being purified of the sulphates and magnesium compounds which formerly rendered it efflorescent and of a low commercial grade.
All public sources of water-supply such as streams, pumps, wells, reservoirs, conduits, aqueducts and works used for the gratuitous supply of water to the inhabitants of the district are vested in the council, who may cause all such works to be maintained and plentifully supplied with pure and wholesome water for the gratuitous use of the inhabitants, but not for sale by them.
The waters of the river are carried by channels and conduits to all the houses of the city.
The use of the old cisterns within the walls has been almost entirely abandoned, and the water is led to basins in vaulted chambers (Taxim), from which it is distributed by underground conduits to the fountains situated in the different quarters of the city.
In modern times the population remains sparse, and pending the complete restoration of the water conduits the soil is unproductive.
Inter- cast-lead pipes, but they were regarded as luxuries, mittent supply, not as necessaries, and gave way to cheaper conduits made, as pump barrels had long been made, by boring out tree trunks, which are occasionally dug up in a good state of preservation.
Within the 19th century, however, cast iron became general in the case of large towns; but following the precedent inseparable from the use of weaker conduits, the water was still delivered under very low pressure, rarely more than sufficient to supply taps or tanks near the level of the ground, and generally for only a short period out of each twenty-four hours.