Found during drainage work in a field near Eshott, Northumbria and donated to the cause by Kevin Monaghan.
These segments are slightly curved across their width and join together along their length by a tongue and groove method.
They form a complete circle.
The manufacturer is unknown.
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Below – Each section measures 13½” – 14″ long x 6½” wide x 2½” thick.
![Unusual segmented Northumbrian field drain](https://usercontent.one/wp/www.scottishbrickhistory.co.uk/wp-content/uploads/2016/08/20160807_155626-640x480-640x480-500x375.jpg)
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![Unusual segmented Northumbrian field drain](https://usercontent.one/wp/www.scottishbrickhistory.co.uk/wp-content/uploads/2016/08/20160807_155712-480x640-e1470685579411-375x500.jpg)
It appears that different diameter drains can be formed depending on how many segments you fit in a ‘ring’. There seems to be enough play in the tongue and groove fittings to create multiple diameters.
I could not get any less than 8 segments in a ring as the internal edge of the T & G is ‘tight’ and butted up. 9, 10 and 11 seem to form together with no problem. I think 12 is easily achievable too as seen from a photo to follow. Each section has a slight curve running along its length so I think long bends are also easily achievable. 8 = 11½” internal diameter. 9 = 13″, 10 = 14½”, 11 = 16½”, 12 = 18½”.
Below – 8 = 11 1/2″ internal diameter
![](https://usercontent.one/wp/www.scottishbrickhistory.co.uk/wp-content/uploads/2016/09/36314294_10156586732153970_5498535699206373376_n-500x375.jpg)
Below – 9 = 13″ internal diameter
![](https://usercontent.one/wp/www.scottishbrickhistory.co.uk/wp-content/uploads/2016/09/36344269_10156586732523970_7706194871270244352_n-e1532974976735-500x375.jpg)
Below -10 = 14½” internal diameter
![](https://usercontent.one/wp/www.scottishbrickhistory.co.uk/wp-content/uploads/2016/09/36343304_10156586735428970_4363371268733403136_n-500x375.jpg)
Below – 11 = 16½” internal diameter
![](https://usercontent.one/wp/www.scottishbrickhistory.co.uk/wp-content/uploads/2016/09/36324003_10156586733428970_7620884562935021568_n-e1532975136530-500x375.jpg)
Below – 12 = 18½” internal diameter
![](https://usercontent.one/wp/www.scottishbrickhistory.co.uk/wp-content/uploads/2016/09/36319100_10156586733628970_424290572107251712_n-500x375.jpg)
Below – A similar segmented drain was photographed by Nick Savage, near Sampford Peverell, Devon.
![](https://usercontent.one/wp/www.scottishbrickhistory.co.uk/wp-content/uploads/2016/09/36225880_1966088850077076_2163099539202899968_o-640x480-500x375.jpg)