Concertina By Deane Barker • April 11, 2024 • (Credit: The Concertina Museum) This is an accordion-like musical instrument, meant to be played between the hands. It has buttons on either side, but, unlike an accordion, it does not have a keyboard. Why I Looked It Up In Once Upon a Tome: Not a week passes by when he doesn’t come up to the shop floor to show me something esoteric, unfolding a gigantic map like a concertina…