This volume contains a record of the boiler serial numbers of boilers built by the company. Entries are made according to serial number and information recorded includes; the order number, the name of the railway company the boiler is for, and what class of locomotive the boiler is for (there is rarely anything recorded relating to this). The volume covers serial numbers 1-665 and order numbers 3191-319612.
- Access is given in accordance with the Museum of Science and Industry's access policy. Material from this collection is available to researchers through the Museum's Archive Study Area.