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 P&R BDHH-10 Battery, tracking mileage over several months.
| Identifier | ExFiles\Box 168b\3\ img214 | |
| Date | 17th July 1929 | |
| X7535P ELECTRICAL EXPERIMENTAL RECORD SHEETS. Table Columns: Column 1: XNO 7535P Column 2: Date on. Column 3: Location. Column 4: Date off. Column 5: REMARKS. Column 6 (Header): P&R BDHH-10 Battery (201) F79640 Sub-column 6.1: Miles reading start. Sub-column 6.2: Miles reading finish. Sub-column 6.3: Miles covered. Sub-column 6.4: Total Miles. Table Data: Row 1: 12-12-28, Received Charged, 31-12-28, Guarantee no LY51701D Row 2: 31-12-28, 20EX, 8-2-29, , 0, 971, 971, 971 Row 3: 8-2-29, ", 25-3-29, , 971, 2017, 46, 2017 Row 4: 25-3-29, ", 19-4-29, , 2017, 3228, 1211, 3228 Row 5: 19-4-29, ", 1-6-29, , 3228, 4236, 1008, 4236 Row 6: 1-6-29, ", 1-7-29, , 4236, 5161, 925, 5161 Row 7: 1-7-29, ", 17-7-29, , 5161, 5211, 50, 5211 Handwritten note: These Batteries are now obsolete. RW | ||