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).
Record card detailing the service history and performance of a Lucas 1260 C/1 battery.
| Identifier | ExFiles\Box 35\1\ scan 162 | |
| Date | 1st July 1922 | |
| X.2676.. BATTERY RECORD. Battery No. O.{Mr Oldham} Battery. Lucas 1260 C/1 L.No. 2646 Date | Service on | If on car miles run | If on test notes re 4 hrs | Total miles run | Remarks re performance. 24/10/17 | Bench Test | — | how rate discharge capacity tests only. | — | Reasonably O.K. 11.2.19 | 7.C.A. | 4,750 | — | 4,750 | O.K. 6.8.19 | Y.C.A. | 12,500 | — | 17,000 | O.K. 6.10.20 | 7.C.A. | 1383 | — | 18383 | O.K 10.9.21 / 18.4.4 | Bench Tests. | — | H.R. discharge. through .100 W. | | Fair. 20.11.21 | 7 C.A. | — | — | | — 1.7.22 | Waiting Car. | — | | | Fair. Duty for rest of life. T.R. 255a/10M/T.(S.H. 109) 11-8-20. G 2600 8.9.20. | ||