MMD Archives April 2001 Contents of Digest 2001.04.06 Prev  Next Nr Subject Author 01 Seek Unplayable Polyphon & Regina 15-1/2" Discs Jack Perron 02 Seek Regina Coin Slide Dave Smith 03 Sanfilippo Collection on Minnesota Public Radio Francy Reitz 04 Jelly Roll Morton Library of Congress Project Mike Meddings 05 Steinway Ampicos Found in Abandoned Mine ! Patrick Boeckstijns 06 "Optiola" and Other Optical Roll Readers Stephen Malinowski 07 Duo-Art Expression Box Springs Ray Fairfield 08 Sticking Center Pins on Steinway Vertical Piano Randolph Herr