10 inch shellac 78 rpm experimental stereo disc record
Sound Reproduction
1934
10 inch shellac 78 rpm experimental binaural (stereo) disc record, single-sided, Columbia Test Record label entitled ‘Mozart / 5771-4’, featuring a portion of Mozart Symphony no 41 played by Sir Thomas Beecham and the London Philharmonic Orchestra, recorded by A D Blumlein at Abbey Road Studios on 19 January 1934.