Series[UMA-SR-000000093] Material relating to patentsAccession[1971.0009] Papers of Ludwig Hirschfeld-MackIdentifierUMA-ITE-1971000900470Scope and ContentCorrespondence from Rose, Morris & Co. Ltd, London, dealers in, and manufacturers of musical instruments. Offers Hirschfeld-Mack, on the basis of the article in the News Chronicle, marketing facilities for the colour chord instrument.16 January 1939. 1p.Access StatusOpen for public accessRequest TypeRequest unitUnit1971.0009 Unit 0002
Hirschfeld-Mack, Ludwig, Colour Chord and related patent (16 January 1939), [UMA-ITE-1971000900470]. University of Melbourne Archives, accessed 09/09/2026, https://archives.library.unimelb.edu.au/nodes/view/215370
