Elan aqueduct
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The Elan aqueduct crosses Wales and the Midlands of England, running eastwards from the Elan Valley Reservoirs in Mid Wales to Birmingham's Frankley Reservoir, carrying drinking water for Birmingham.
Elan aqueduct on the Deepwood Dingle Crossing, Bringewood
View over the aqueduct as it crosses the River Severn
The aqueduct over the River Severn
Pediment of valve house with "Birmingham Corporation Water" wording
Siphon
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A siphon is any of a wide variety of devices that involve the flow of liquids through tubes. In a narrower sense, the word refers particularly to a tube in an inverted "U" shape, which causes a liquid
Elan aqueduct
…miles (19 km), with the longest single length being just over 4 miles (6.4 km). The third construction type was the use of either bridged aqueducts or inverted syphons to cross valleys and rivers where the ground level dropped too steeply for the required hydraulic gradient to be maintained. The pipeline was continued…
Siphoning beer after the first fermentation
Siphon irrigation of cotton at St George, Queensland.
A siphon used for homebrewing beer
Siphon spillways draining a reservoir along the Boardman River near Traverse City, Michigan, in 2017