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 experiment record sheet for a P&R & C Exide Sandwich Battery S1(154), page 2.
| Identifier | ExFiles\Box 54\1\ Scan349 | |
| Date | 16th January 1929 | |
| ELECTRICAL EXPERIMENT RECORD SHEETS. X. No: -4617 P&R & C Exide Sandwich Battery S1(154) Page 2. Date on | Location | Date off | REMARKS | Miles reading start. | Miles reading finish. | Miles covered. | Total miles. --- | --- | --- | --- | --- | --- | --- | --- 11-2-27 | SEX | 14-5-27 | | 2632 | 4785 | 2153 | 6182 14-5-27 | " | 30-5-27 | | 4785 | 5851 | 1066 | 7248 30-5-27 | Bench Test | 3-6-27 | Result fair. See Report J.C.87. 3-6-27 | | | | 4-6-27 | SEX | 4-7-27 | | 5983 | 8256 | 2273 | 9621 4-7-27 | " | 21-7-27 | | 8356 | 9744 | 1388 | 11,009 21-7-27 | " | 23-8-27 | required about 1 1/2 pts of water on return. | 9744 | 1283 | 1539 | 12548 23-8-27 | " | 1-9-27 | | 1283 | 1689 | 406 | 12954 6-9-27 | Bench Test | 6-9-27 | High rate Discharge. -100w Report J.C 94 6-9-27. | | | | 7-9-27 | SEX | 26-10-27 | | 1965 | 2863 | 898 | 13,852 26-10-27 | " | 9-12-27 | | 2863 | 4523 | 1660 | 15,512 9-12-27 | " | 20-1-28 | | 4523 | 6745 | 2222 | 17,734 4-5-28 | " | 21-5-28 | | 0629 | 1101 | 472 | 18,206 21-5-28 | Lab. | 26-6-28 | No 6 cell failed (P&R). replaced by Ex: from SY. Report J.C.109.27-6-28. | | | | 27-6-28 | M.S. | 18-10-28 | | | | | 18-10-28 | Bench Test | 26-10-28 | No 2 cell (P&R) failed Report J.C. 138. 26-10-28 replaced by Ex: from S4. J.C 126 19-10-28 | | | | 14-12-28 | SEX | 2-1-29 | no 4 P&R cell failed. Replaced by P&R from 62 no 5 Report J.C.148 16-1-29 (miles 1337) | 7485 | 8119 | 634 | 18,840 | ||