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).
Report on the X.4218 Fors Battery for the Erith Battery Co.
| Identifier | ExFiles\Box 48\3\ Scan332 | |
| Date | 19th February 1924 | |
| ROY.{Sir Henry Royce} from EFC. X4218 EFC2/LG19.2.24. X.4218 - FORS BATTERY. Herewith please receive two copies of report on X.4218 - Fors Battery which you may like to send to the Erith Battery Co. as a result of their letter of the 13th. Feb. EFC. | ||