 They formed the "British Patent Naphtha Company" and built a tramroad to Yearlick Ball, north of the prison, to bring the peat down from that point to a works at the prison building; they also built a branch to Omen Beam near Fice's Well.The track gauge was probably 4 ft 6in, and horse traction was used.The peat was processed to produce naphtha, used for making candles and mothballs, and the fibrous material in the peat was used in paper making.