Historical information

Used from Malvern depot in the time recording Bundy clocks that were located around the MMTB system. Related to the driver's shift number. Withdrawn from use when the Automatic Vehicle Monitoring (AVM) system came into use.

Significance

Demonstrates a Bundy time recording clock key.

Physical description

Key - or Bundy Clock Key - brass, rounded head with drilled hole stamped "Tramways" on one side and "172" on the other side with a steel section that controlled the action of the recording clock and provided the means of stamping the number "172M" onto a paper tape.