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).
The efficiency testing of a rewound Lucas Dynamo armature.
| Identifier | ExFiles\Box 36\4\ scan 235 | |
| Date | 21th July 1921 | |
| X.3014b. 21st. July, 1921. Mr. Broek. X.3014b. - LUCAS DYNAMO R.1646. - ARMATURE REWOUND BY R.R. I have tested this armature and compared it with several others at various speeds and temperatures and as you will see by the attached test sheet, it appears to be more efficient since re-winding. Sgd. A.Watson. | ||