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Invented by Henry Marx and manufactured by the Phonoharp Company in 1912, the Celestaphone is a “mandolin guitar zither“ that closely related to the Marxophone. While virtually all celestaphones, Marxophones, and other piano chord zithers or mandolin guitar zithers were set up diatonically, the Chromatic Celestaphone is a very rare chromatic exception. For more information or the purchase, visit Antiquity Music:
