https://omeka.cloud.unimelb.edu.au/grainger/files/original/b272d8bd42a115a92b5b88079bb6673d.tif 3c485d35f7862bd81e85d514c2189e42 Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Oscillator-playing tone tool, 1st experiment Creator An entity primarily responsible for making the resource Percy Grainger Date A point or period of time associated with an event in the lifecycle of the resource Sketch drawn 23 November 1951. Instrument made 25 October 1951 Rights Information about rights held in and over the resource Copyright Grainger Estate Format The file format, physical medium, or dimensions of the resource Watercolour and ink on paper, 27.9 x 21.9cm Identifier An unambiguous reference to the resource within a given context 04.0182 Description An account of the resource Watercolour, ink and graphite on paper. Illustration of instrument (a modified sewing machine) with handwritten explanations and instructions. 14.2 x 25.7cm Excerpt from Percy Grainger's daybooks 1944-1960: Thursday 25 October 1951 ‘Red Letter day for Free Music [red ink] Burnett brot $15 oscilator, having recorded 2-, 3- & 4-part trials with it at home. . . . I got sewing machine & drill to play oscilator [red ink]’ Burnett Cross: ‘The oscillator was a Morse code practice device with a continuously variable pitch produced by a loudspeaker (in the case). Its single vacuum tube operated on house current (110 vols). PG at once set to work to find out how its pitch-knob could be controlled.’