MMD Archives April 2020 Contents of Digest 2020.04.08 Prev  Next Nr Subject Author 01 Articles in MBSI May/June "Mechanical Music" Knowles Little 02 Seek Christmas Carousel Roll 3901 by Rich Olsen Rich Sitler 03 Marked Tempo of Ampico "Carnaval" Rolls Allen Ford 04 Protecting Music Roll Reader Contacts David Evans