Marshall, John

This material is held atSenate House Library Archives, University of London

Scope and Content

British and French patents, 1861-1862, for John Marshall's invention for 'the collection, concentration and transmission of sound, so as to facilitate the hearing.' Also includes a Belgian 'brevet d'importation.'

Administrative / Biographical History

No information was available at the time of compilation.

Access Information

Access to the items in the collection is unrestricted for the purpose of private study and personal research within the controlled environment and restrictions of the Library's Palaeography Room Uncatalogued material may not be seen. Please contact the University Archivist for details.

Other Finding Aids

Collection-level description.

Archivist's Note

Conditions Governing Use

Copies may be made, subject to the condition of the original. Copying must be undertaken by the Palaeography Room staff, who will need a minimum of 24 hours to process requests.