1. Ruined building adjacent to Idris factory. Rubble walls and wheel pit surviving in 1983, earlier evidence suggests a long rubble walled building with a slate roof and first floor opening towards N end of W wall.

2. Small rectangular building on the south bank of the Afon Aran, with a waterwheel on the north wall, shown as operational on the 1889 25" map. Building later extended eastward to adjoin Idris Factory (nprn 40919).
B.A.Malaws, RCAHMW, 17 March 1999.