According to Henry S. Pearson, in Middletown Township, Delaware County, Pa. (1985), p. 120, this was originally a nail mill that Samuel Riddle converted to a textile mill after purchasing it in 1875. As late as 1983, the mill was occupied b the Centennial Home Center. Se AP-5166-1 for mill race.
Red Ink photo, series by same photographer named for red ink used for writing descriptions on reverse side of similarly-mounted images. Duffs may be the mill that now houses the borough offices for Rose Valley, Pa. It is possible that the photographer misheard "snuff" mill for Duffs mill, as this was once a snuff mill.
Red Ink photo, series by same photographer named for red ink used for writing descriptions on reverse side of similarly-mounted images. P.M.S. is the Philadelphia, Morton & Swarthmore Street Railway Company. This line did have a bridge in Wallingford. Location given by photographer is wrong, as no part of Ridley Creek is in Media.
