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).
And sketches regarding vehicle components including a dynamo, brakes, and a horn.
| Identifier | ExFiles\Box 164\3\ img190 | |
| Date | 26th March 1938 | |
| Will mad Lodgec W B.8. Dynamo Shoebury R. {Sir Henry Royce} Brakes C.N. X1900 Lucas under bonnet horn type WT22 26.3.38 | ||