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).
Electrical experimental record sheet for a 12V Reboudé Sandwirl battery.
| Identifier | ExFiles\Box 54\1\ Scan343 | |
| Date | 14th April 1927 | |
| X46175 1. ELECTRICAL EXPERIMENTAL RECORD SHEETS. X. No:- 46175 12V Reboudé Sandwirl battery S3 (156) + E 12V R Box. Date on | Location | Date off | REMARKS. | Miles reading Start | Miles reading Finish | Miles Covered | Total Miles 11-6-25 | Lab | 3-7-25 | Received charged. 103 lbs. | | | | 15-10-25 | 10EX | 2-1-26 | | 0000 | 4053 | 4053 | 4053 2-1-26 | 10EX | 29-1-26 | | 4053 | 4314 | 261. | 4,314 29-1-26 | 10EX | 5-3-26 | | 4314 | 6325 | 2011 | 6,325 5-3-26 | 10EX | 13-4-26 | | 6325 | 7611 | 1286 | 7,611 13-4-26 | 10EX | 21-5-26 | | 7611 | 8246 | 635 | 8,246 21-5-26 | 10EX | 25-6-26 | | 8246 | 0313 | 2067 | 10,313 25-6-26 | 10EX | 17-12-26 | | 0313 | 2668 | 2355 | 12,668. 17-12-26 | " | 31-12-26 | | 2668 | 2923 | 255 | 12,923 31-12-26 | " | 14-4-27 | | 2923 | 3304 | 381 | 13,304 | ||