MMD Archives May 2020 Contents of Digest 2020.05.11 Prev  Next Nr Subject Author 01 Source Of Symphonion 4-1/2" Discs Bill Wineburgh 02 Musical Machines In Their Original Settings Dave Bowers 03 Musical Machines In Their Original Settings Nicholas Simons 04 Musical Machines In Their Original Settings Robert Hanulec 05 Cipher In Hofbauer 20er Crank-organ David Evans 06 Cipher In Hofbauer 20er Crank-organ Harald M. Mueller 07 Cipher In Hofbauer 20er Crank-organ Craig Smith