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).
Conclusion on battery charging for regulator-controlled or auto-switch systems where the maximum voltage reaches 16.0.
| Identifier | ExFiles\Box 54\2\ Scan121 | |
| Date | 10th October 1927 | |
| Contd -2- EFCl/T10.10.27. This would appear to indicate, therefore, that in any regulator controlled or auto switch system in which the maximum voltage can reach 16.0, full charge will be ultimately received by the battery. EFC. {E. Fowler Clarke - Electrical Engineer} JC.92 attached. | ||