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Image: Accordina drawing from US Patent 2461806

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Description: Drawing from U.S. Patent 2,461,806 describing André Borel's improved "chromatic harmonicon" with chromatic button accordion keyboard. This instrument, a type of melodica, is better known as the accordina.
Title: Accordina drawing from US Patent 2461806
Credit: U.S. Patent 2,461,806 for "Chromatic Harmonicon" (issued Feb. 15, 1949)
Author: André Borel
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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