This is a tenor drone, done from plans taken from a set made by J. Dunn for J. Peacock, 1797, in "The Northumbrian Bagpipes" by W. A. Cocks, F.S.A. (Scot.) & J. F. Bryan, F.S.A. (Scot.), revised enlarged edition, published by the Northumbrian Pipers' Society, Newcastle upon Tyne, 1975.