This type of structure, which is extremely various in its details, is found especially, as we should expect, in plants which have to economize their water supply.
When loaded by shovel the car is made low to economize labour.
When the agents of the spinners, that is, the buying brokers, by becoming principals in some transactions, had acquired interests diametrically opposed to those of their customers, the consequent feeling of distrust among spinners gave birth to the Cotton Buying Company, which, constituted originally of twenty to thrity limited cotton-spinning companies, represents to-day nearly 6,000,000 spindles distributed among nearly one hundred firms. Its object was to squeeze out some middlemen and economize for its members on brokerage.
From this post he was unceremoniously dismissed in 1879 by the European controllers of the public revenues, determined to economize at all hazards; and French influence prevented his succeeding his friend Mariette at the Bulaq Museum in 1883.
Sometimes also a viaduct consisting of a series of arches is preferred to an embankment when the line has to be taken over a piece of fiat alluvial plain, or when it is desired to economize space and to carry the line at a sufficient height to clear the streets, as in the case of various railways entering London and other large towns.