Musical glasses

Twenty-five bowls mounted on a square section iron axle. On the left-hand end of the axle is mounted a flywheel, diameter 280mm, made from a lead rim of 22mm square cross section mounted on four iron spokes. The left-hand end of the axle rests in an 'open' wooden bearing slot with a metal lining. The right-hand bearing is closed and made of an iron arch with two bearing blocks of unidentified mate…