Series III. Downs Cell Files, 1924-1956, undated

Arranged alphabetically by subject, this series contains James Cloyd Downs’ files concerning the Downs Cell, which he invented in 1922 and for which he was awarded a United States patent in 1924. The files in this series contain a limited amount of technical information about the Downs Cell. A small amount of information regarding the use of the Downs Cell within the chemical industry (including by Roessler & Hasslacher Chemical Company and DuPont) is also preserved here.

The contents of the Downs Cell Files include, but are not limited to, blueprints, drawings, correspondence, notes, and a copy of the United States patent awarded to Downs.