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).
Instruction to fit a Ferranti ammeter No.32356 to experimental chassis 16-C4.
| Identifier | ExFiles\Box 168\5\ img182 | |
| Date | 8th April 1930 | |
| X3498 RHC.{R. H. Coverley - Production Engineer} from EFC. c. Hs{Lord Ernest Hives - Chair}/AJL. EFC2/AD8.4.30. X.3498. FERRANTI AMMETER NO.32356. Will you please arrange to fit Ferranti grouped type chassis ammeter No.32356 to experimental chassis 16-C4, which has a patch instrument board with the other instruments with cream dials. GJ. EFC. | ||