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).
Test and usage log for Ferranti Ammeter no 32354, Type BSI.
| Identifier | ExFiles\Box 168\5\ img205 | |
| Date | 13th February 1930 | |
| EXPERIMENTAL WORK SHEETS XNo 3498 Ferranti Ammeter no 32354 Type BSI DATE ON | LOCATION | DATE OFF | REMARKS | T.D.O. READING START | T.D.O. FINISH | MILES COVERED | TOTAL MILES 12-2-30 | Lab | 18-2-30 | Tested OK Report T065 13.2.30 | 18111 | 19555 | 444 | 444 18-2-30 | 179W | 14-3-30 | . | 19555 | 21105 | 1550 | 1994 25-4-30 | " | 30-5-30 | . | 21105 | 22490 | 1385 | 3379 30-5-30 | " | 14-8-30 | . | 22490 | 26635 | 4145 | 7524 18-10-30 | " | 29-11-30 | . | 26635 | 28239 | 1604 | 9128 29-11-30 | " | 2-1-31 | . | 28239 | 29557 | 1318 | 10446 2-1-31 | " | | | 29557 | 30138 | 581 | 11027 No further record found | ||