The windmill ...

... at Chollerton Farm - according to North East Mills, the windmill was built for farm use, probably in the early 19th century.  The farm also has chimney distinctive of having a steam engine added.  Thus the farm, modern for its time, would have had plenty of power for threshing and driving other farm machinery.  In many cases a some milling may have also been carried out, largely as feed for animals used around the farm.

And, playing on Radio Sandhoe today: Sixpence None the Richer - There She Goes