The soon-to-be-popular concertina, an improved small accordion…

The soon-to-be-popular concertina, an improved small accordion but lacking the accordion keyboard. oi patented on June 19, 1829, by Charles Wheatstone, a British scientist and inventor of many scientific breakthroughs of what will come to be known as the Victorian era, who had in 1828 improved the German wind instrument, called the Mundharmonika.