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 battery no. 206.
| Identifier | ExFiles\Box 168b\3\ img217 | |
| Date | 1st July 1929 | |
| X7535 P ELECTRICAL EXPERIMENTAL RECORD SHEETS. XN07535P P & R B & H/1 - 15 B. Battery 206) F79640 Date on. Location Date off. REMARKS. Miles reading start. Miles reading Finish. Miles Covered. Total Miles. 14-12-28 Received 19-1-29 Guarantee no LY51698 D 587 19-1-29 23EX 1-5-29 1-5-29 EMS 1-7-29 76 No further record kept. 49 | ||