From The RM archive
The Long View: December
Locomotion No. 1
1 The original 1825 Locomotion No. 1 (although it was first known as Active) can be found on display at the appropriately named Locomotion Museum in Shildon, as seen on September 25 alongside HST power No. 43102.
PAUL BICKERDYKE
2 A cavalcade was held in 1925 to mark 100 years since the opening of the S&DR, the original Locomotion being restored to work the 54th and last train in the event. The engine was not in steam, but rather had a petrol engine hidden in the tender to provide the power.