Scope and arrangement
The major part of the collection relates to Mallmann's involvement in the development of the "Death Ray" for the British government for use in the war. Correspondence and memoranda concerning this project are present including papers relating to Mallmann's law suit against the British government after the war. There is also material concerning Mallmann's other engineering endeavours which includes his theory the "Mallmann Continous Steel Process", Writings in steel production, Metallurgy and engineering are also included. There is material relating to Mallmann's interest in real estate in Virginia & Pennsylvania. Personal correspondence and notes from friends and associates are present together with newspaper clippings and telegrams. There is a good deal of printed ephemera such as train schedules, catalogs, pamphlets and guides.