...also on Proberts Barn Lane , Proberts Barn up above Lydbrook mill and Iron works. :-)

now we find the address for Priory

The Priory, Proberts Barn Lane, Lydbrook GL17 9NE

and its starting to tie together
and so to a small view of the Priory standing in the foreground of the Viaduct.

http://www.sungreen.co.uk/Lydbrook/LydbrookViaduct.htm