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).
Elliott Ammeters and the grouped instrument board assembly.
| Identifier | ExFiles\Box 168\5\ img163 | |
| Date | 2nd November 1929 | |
| X4629 By.{R.W. Bailey - Chief Engineer} from EPC. c. Sft.{Mr Swift} EPC3/AM 2.11.29. X.4622. ELLIOTT AMMETERS. X7530. GROUPED INSTRUMENT BOARD ASSEMBLY. Please find attached copy of my assistant's report J.D.38. No doubt you will take some steps to modify the procedure. EPC. | ||