Contributors: Adam Matthew Digital (Firm), digitiser, Hagley Museum and Library, owner

Access URL: https://www.broadcastingamerica.amdigital.co.uk/documents/detail/rca-institutes-lab-experiments/21983920

Contributors: Adam Matthew Digital (Firm), digitiser, Hagley Museum and Library, owner

Access URL: https://www.broadcastingamerica.amdigital.co.uk/documents/detail/production-model-of-auditorium-orthophonic-victrola/21806977