These ER sets would have one DMCL from diagram 559 and one from diagram 580 (the difference being one had a smoking first class section, the other was non-smoking), a TSL from diagram 583 and TBSL from diagram 584:
These replaced Diagrams in 1980. DMCLs - DP 306 (DP 218 as DMSL) and DP 307 (DP 217 as DMSL), TSL - DT 203, TBSL - DU 204:
I only have one from this series, taken circa December 1958, if you can help with any of the missing images please get in touch.
These were taken at Cleobury Mortimer on the Tenbury Wells branch circa September 1958:
Negative 58/731
Underframe items on the number two side of a power car. Upper left is a Smiths heater, beneath is a vacuum reservoir and the electrical box to its right is the heater relay/control box (meaning the heating controls were of the through train type). The lighter coloured box on the right contains the relays that operate the throttle motors, gearboxes and final drive.
Summary
Ordering Details
Description
Interiors
Modifications
Single Engine Conversion
2-car diagrams & Works Pics
3-car diagrams & Works Pics
4-car diagrams & Works Pics
Numbering & Drivers Instructions
Liveries
Operations - Early Days
Operations - Later Days
Operations - Scotland
Accidents
Decline
Non-Passenger Use
Images
Details about preserved Class 104s can be found here.
Many thanks to Kevin Dowd for his assistance in the preparation of these pages, and to Eddie Knorn for further data.