From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
List of specifications for vehicle electrical components and other parts.
| Identifier | ExFiles\Box 91\2\ scan0416 | |
| Date | 26th October 1937 | |
| -3- Rm{William Robotham - Chief Engineer}/I M W.4/AP.26.10.37. 23. New pair of Lucas W.T.13. Horns. 24. Delete change over switch and horns under bonnet. 25. Existing new type Lucas headlamps. 26. Meteor fog lamp. 27. Existing ignition distributors overhauled. 28. Existing Lucas regulator and cut-out. Rm{William Robotham - Chief Engineer}/IMW.{Ivan M. Waller - Head of Chateauroux} | ||