Assertion: english concertina | /r/CapableOf | patent by sir charles wheatstone
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Source sentences:
text: The English concertina, invented and patented by Sir Charles Wheatstone in 1829, the year of the reputed invention of the accordion (q.v.), is constructed with a double action, the same note being produced on compressing and expanding the bellows, whereas in the German concertina or accordion two different notes are given out.
text: The English concertina, invented and patented by Sir Charles Wheatstone in 1829, the year of the ​reputed invention of the accordion (q.v.), is constructed with a double action, the same note being produced on compressing and expanding the bellows, whereas in the German concertina or accordion two different notes are given out.