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).
Temperature reading of a standard N.2 series dynamo measured on a 40/50 experimental chassis.
| Identifier | ExFiles\Box 62\3\ scan0268 | |
| Date | 17th December 1931 | |
| X6006 17.12.31. Temperature of a standard N.2. series dynamo as measured by CAP. on 40/50 exptl. chassis with head lamps on and battery previously fully charged was 55°C. as measured on the dynamo carcase. Hs{Lord Ernest Hives - Chair}/Wst. | ||