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And this is Paul, who works in Hobgoblin Music, and part of the charm of the place. I asked if I could take his portrait - "only if it is in black and white" - my pleasure to oblige. He was making quite a good noise come out of the concertina. Fascinatingly it was invented by Charles Wheatstone, a Victorian inventor more famous to me for the Wheatstone Bridge (an ingenious way to measure electrical resistance). They don't make them like that any more.