Automated system whereby a perforated sheet is used to play a tune on a group of bells.
Introductory intertitle reads: "This is a tale of bells - and the modern use of perforated paper rolls to call the tune."
Various shots of the mechanism which processes the perforated paper roll and transforms this into music played on bells. C/Us of the bells, the perforated paper, the mechanism etc. "Nowadays, the bells look like getting 'rolled' not tolled - !"
More shots follow of the bells and the machinery which plays them.