| Digest Nr | Subject and Author |
|---|
 |
| 2023.08.14.01 | Seek Imperator 53 cm Spring-motor, from Rudi Zukowski |
| 2023.03.29.01 | Seek Imperator 53 cm Spring-motor, from Doug Wiggins |
| 2023.03.22.01 | Seek Imperator 53 cm Spring-motor, from Rudi Zukowski |
| 2022.04.10.02 | Seek Music Box Discs: Criterion, Imperator, etc., from Bill Wineburgh |
| 2015.05.08.01 | Seek 5-1/2-inch Discs for " Imperator" Music Box, from Reg Smith |
| 2013.04.19.01 | Seek 5.5" Imperator Discs, from Douglas Berryman |
| 2012.12.09.01 | Seek Musical Movement for Imperator 48 or 49, from Alexander Kies |
| 2007.11.11.02 | Seek Polyphon, Imperator & Orpheus Discs, from Kevin McElhone |
| 1998.09.25.02 | Seek Tubing Diagram for " Imperator" Player, from Juan Hualde |
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