A paper mill, also referred to as Oxhey Mill by Kenneth C Reid. The file contains a small number of correspondence items and four photographic postcards which appear to date from the first quarter of the 20th century.
Note on reverse reads "Hamper Mill, Watford, "The Sol". A. Slats when shut. Ground floor windows circa 1680. Building said to be 150 to 200 years old. (N.B. This building originally stretched across the width of the tennis court)"