Looks somewhat like a surpeti (shruti box) as the bellows operate the same. Sounds like an accordion and you pull the corresponding lever or sequence of lever to play notes or chords.
Thomann Nataraj Surpeti Shruti Box Mal – Thomann United States
Hindustani Classical Music And Everything - •• Surpeti or Shruti Box •• A Surpeti (Shruti box) is an instrument that traditionally works on a system of bellows. It is similar to a
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INDIAN MAHARAJA Shruti Box Teak Wood Surpeti 13 Drone Notes C-to-C Shruthi Indian Musical Instrument Musical Instruments & DJ Wind Instruments umoonproductions.com
Shruti Box Total Wood Size (15″ X 10″ X 3″) Inches – Tuned : 440 Hz, Gig Bag, Dark Oak Finish, Key – C To C Lower Tone Reeds, Sur Peti, Surpeti,
Shruthi Box, - Nasir Ali Musicals
Shruti Box Indian Musical Surpati, 13 Notes, Sur Peti Surpeti, Assorted Color | eBay