Vintage Thomas Bandmaster 55 Rhythm Synth Drum Machine

via this auction

"DESCRIPTION:
Company/Name: Thomas
Type: Bandmaster
Model/Item #/ISBN: 55
Size: 18 1/2" x 12" x 8"

This unit has a solid wood box with a gold clasp on front and a carry handle. There is an opening in the back where all the cord are. There is an all metal foot pedal included that is used to turn the unit on and off.
Information on the Back Label:
Thomas Bandmaster
Model 55
120 Volts
12 Watts
60 Cycles
1 Amp.
Patent Pending
Mfd. By THOMAS ORGAN CO.
Sepulveda Ca.
88-5370-1
Serial # 1086595

FEATURES:
* On/Off Power Switch
* Tempo knob with Downbeat Light
* Rhythm buttons are as Follows: Downbeat Accent * Waltz * Viennese Waltz * Jazz Waltz * Foxtrot 2/4 * Boogie 6/8 * Swing * Rock * Watusi * Samba * Beguine * Cha Cha * Rhumba * Tango * Bolero * Bossa Nova
* Drum Switches are as Follows: Duo/On/Off * Crash Cymbals * Brush Cymbals * Bass Cymbals * Snare Cymbals * Drum Cymbals * Bongo l * Bongo ll * Block * Clave * Castane l
* Volume Knob
* 10 Bush Button for downbeat and upbeat of the Drum Switches"