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).
Experimental record sheet for an Exide 3RRS-11-LH4 Battery, tracking mileage.
| Identifier | ExFiles\Box 164\4\ img029 | |
| Date | 20th April 1931 | |
| TXN.O 6021 ELECTRICAL EXPERIMENTAL RECORD SHEETS. Exide 3RRS-11-LH {Mr Haworth} 4 Battery (235) F80951 | Date on | Location | Date off | REMARKS | Miles Reading Start | Miles Reading Finish | Miles Covered | Total Miles | |---|---|---|---|---|---|---|---| | 11-9-30 | trial | 17-9-30 | Received charged | 16650 | 17514 | 864 | 864 | | 17-9-30 | 24EX | 18-10-30 | | 17514 | 18182 | 668 | 1532 | | 18-10-30 | " | 29-11-30 | | 18182 | 19093 | 911 | 2443 | | 29-11-30 | " | 5-1-31 | | 19093 | | | | | 5-1-31 | " | | No further record Rept - a.g. 20-4-31 | | | | | | ||