 | Sydney B. J. Skertchly, Sydney Barber Josiah Skertchly - 1877 - 410 σελίδες
...advantages. The first plan " adopted in this respect, was the erection of what are termed " ' double lifts '; that is, first, one large mill is erected near the " main river, aud then a smaller one at some distance behind ; the " one mill, by first raising the water from the... | |
 | Sydney B. J. Skertchly, Sydney Barber Josiah Skertchly - 1877 - 408 σελίδες
...advantages. The first plan " adopted in this respect, was the erection of what arc termed " ' double lifts '; that is, first, one large mill is erected near the " main river, aud then a smaller one at some distance behind ; the " one mill, by first raising the water from the... | |
 | 1847 - 634 σελίδες
...that parish. After the general erection of windmills, the plan soon adopted was what is called double lifts — that is, first one large mill is erected...the one mill, by first raising the water from the mill-drain a certain height and in certain quantities, lessens what is called the head of water to... | |
 | Staff - 1847 - 638 σελίδες
...After the general erection of windmills, the plan soon adopted was what is called double lifts—that is, first one large mill is erected near the main...the one mill, by first raising the water from the mill-drain a certain height and in certain quantities, lessens what is called the head of water to... | |
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... by mills. The windmills, however, erected in this district have been pulled down, and a powerful steam-engine erected, which most effectually drains the fine fen lands of that parish. After the general erection of windmills, the plan soon adopted... 