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).
Cover memo for the revised calculations of the X.9700 - E.A.C. Dynamo.
| Identifier | WestWitteringFiles\J\March1923\ Scan28 | |
| Date | 20th March 1923 | |
| To E.{Mr Elliott - Chief Engineer} from EFC. c. BY.{R.W. Bailey - Chief Engineer} ORIGINAL SECRET EFCl/T20.3.23. X.9700 - E.A.C. DYNAMO. Herewith please receive copy of calculations of the above dynamo, revised in accordance with E1/M28.2.23. EFC. | ||