via The Official Modest Mouse Reverb Shop
Drum Machines listed here
Listed and pictured:
Seeburg Select-A-Rhythm
Hammond Auto Rhythm FR-2D Owned by Modest Mouse SN 000322
ACKS Newport Firstman Auto-Rhythm FR-25
King Beat 7
Boss DR-55
Rhythm Master RM-20
Maestro Rhythm
Roland CompuRhythm CR-78 w/ WS-1 Remote
Also see Moby's Drum Machines For Sale posted back in 2018.
