
Octagonal concertina (aeola). English system. Serial number 23090, batch number 91. Two oval paper labels: right-hand: 'C. Wheatstone & Co. Inventors, Patentees and Manufacturers,, 15 West St, Charing Cross Road, London WC'; and left-hand: 'Wheatstone & Co. Patentees and 23090 Manufacturers, 20 Conduit St, London W.' 6.44" diameter octagonal raised ebony ends, in rare 'dot and tail' style frets, bevelled. 56 keys: 28 each side. Domed plated metal, bushed. Five-fold black leather bellows with chromed screws. Round-end steel reeds.