Teil eines Werkes 
3 (1798)
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XXV1il INF ROD CC TTON:

and poffetiing at the fame time fuch a level as to prevent any water from neceffarily ftagnating upon it. The field was fo wet, that in many places it was a me e hobbling bog, over which a man could acca pafs during the drieft weather infurnmer. This wasa very unprofita- ble as well as difguftful objeét; and, in the be- ginning of the year 1764, I fet about ferioufly to have it drained. Omi confidering the ciream- {tances of the cafe with attention, I foon perceiv- ed, that as no /urface water Shae come upon it from the higher ground; and as the rain that fell upon the field itfelf was fuffered freely to run off, the water that drowned it mutt rife up from be- fow. But as the weight of the atmofphere ated on this field as well as on thofe around, the water could not be made to afcend, as ina pump,, by means of fuction: it muft, then, be forced to take that direétion in confequence of fome powerful preflure from below ground, acting fo ftrongly as

to overcome its natural gravity. This preffure,

1

it was Se could only be in confequence of

the water flowing from Higher ground, under the Surface, through a firatum of pervious matter, being pent in near the bottom by a ftratum of lay placed above it, and thus forced to rife

to 2 higher level than the low ground, in this