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).
Requesting a new commutator and bearing be fitted to a 28 slot Dynamo L.
| Identifier | ExFiles\Box 60\1\ Scan071 | |
| Date | 1st February 1929 | |
| X8673 To FHC. from EFC. EFC4/T1.2.29. DYNAMO L. (28 slot) We should be glad if you could have a new commutator and bearing fitted to this dynamo, the one at present on the machine being loose. The machine(herewith) will shortly be required for fitting on a car with special brushes. EFC. | ||