The picture above is taken from US pat# 2461806, granted in 1949 to André Borel of Paris, France. The patent describes it as a "chromatic harmonicon", but it was (and still is) produced under the name Accordina. The instrument was also patented in Belgium and Switzerland, but oddly enough, does not seem to have been patented in France. Borel was also granted a later patent for mouth blown free reed instrument with a piano-style keyboard and both blow and draw reeds.
Not surprisingly, the Accordina is popular with players of the chromatic button accordion and has been featured on recordings by musicians such as Francis Jauvin and Richard Galliano.
A Brief History of Mouth Blown Free Reed Instruments
What Is A Free Reed?
Origins Of The Free Reed
Eastern Free Reed Instruments
A Selective Discography Of Asian Free Reed Instruments
Western Free Reed Instruments
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