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 20hp Dynamo, number 1337, tracking its usage and modifications.
| Identifier | ExFiles\Box 62\3\ scan0049 | |
| Date | 1st July 1930 | |
| ELECTRICAL EXPERIMENTAL RECORD SHEETS. X. No: - 5661 20 hp Dynamo 1337 on | Location | Date off | REMARKS | Miles reading start | Miles reading finish | Miles covered | Total miles 23.2.27 | 10 GIII. | | Fitted 28 slot arm. for France | 0 | | 0 | 0 24.5.27 | " | | Car returned. Appar'ly OK. | 11703 | | 11703 | 11703 23.6.27 | Lab | | For inspection. Repl'd by 1353 Reported AC. q1. 11-7-27. | 2611 | | 908 | 12611 19.1.28 | 9 GIII. | | Replacing 1353. Set to "Max" (Permissn (12732) for use with auto-switch? Temp's 21-57-78°C Amps 12.6. Conti 117°C. Coil v.6-70-8.5 13.0v) | 8634 | | 0 | 0 2-III-28 | " | | Main br's & good. Comm good. | 11605 | | 2971 | 2971 3-IV-28 | " | | Main br's & Comm good. | 2150 | | 545 | 3516 2-V-28 | " | | " " " " | 2918 | | 768 | 4284 1-VI-28 | " | | " " " " | 4158 | | 1240 | 5524 6-IX-28 | " | | " " " " | 8065 | | 3907 | 9431 4-XI-28 | " | | " " " " | 8281 | | 216 | 9647 24-XI-28 | Lab | | Car for disposal | " | | 0 | 3-XII-29 | " | | Fitted 24 slot arm for tests. | | | | July '30 | Stores | | For disposal. Std armature. | | | | | ||