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).
Notification regarding a new experimental voltage regulator fitted to chassis 4.B.IV.
| Identifier | ExFiles\Box 60\3\ Scan281 | |
| Date | 2nd November 1934 | |
| Lp.{Mr Lappin} From Hs{Lord Ernest Hives - Chair}/Wst. 86092. Hs{Lord Ernest Hives - Chair}/Wst.2/MA.2.11.34. Re. Chassis 4.B.IV. We have fitted to this car a new experimental voltage regulator which permits the battery to receive more charge at lower battery voltages. Will you please let us know if you have any difficulty at all running the car normally, owing to the battery being run down. Hs{Lord Ernest Hives - Chair}/Wst. | ||