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).
To Mr. Clark regarding the receipt of a production dynamo.
| Identifier | ExFiles\Box 51\1\ Scan144 | |
| Date | 27th March 1923 | |
| X.4383. 27.3.23. Mr. Clark. 50517. Please receive 1 production dynamo No.288 as per your instructions. | ||