From label: Ruins of Blowing House. 19 feet x 11 feet, and Mortar Stones near the doorway; on the River Meavy, immediately under Black Tor, 1 1/2 miles S.S.W. of Princetown. Stones, 2 ft. 3 in. x 1 ft. 4 in., and 2 ft. 1 in. x 1 ft. 5 in. on surface, with Mortars on both sides. [O.S. 106 S.E.]. Enlarged from negative by T. A. Falcon, Aug., 1902.
There are two ruins at this site, this is the one on the right (west) bank.