This works on a wide rubber band and was made in the 1950's or 1960's
and has been shown in articles in 'The Music Box' which is the magazine sent to all members on subscription by The Musical Box Society of Great Britain.

The Musical Box Society Website is www.mbgsb.org.uk
For Further Information please contact info@musical-box.org

If you would like to hear More Mechanical Musical Instruments,
please look for Mechanical Music Radio
https://www.mechanicalmusicradio.co.uk/