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).
Instructions sheet with handwritten notes on battery instrument readings and consumption.
| Identifier | ExFiles\Box 54\2\ Scan236 | |
| Date | 8th December 1924 | |
| RR 239 (150 BKS.) (DD 461-8.12.24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. II 19 To Order No. JC113 Customer's No. It would gradually lose ground. When the battery had just started it's discharge, the instrument was reading 60 whilst the battery had 77 ampere hours in it, & it read this amount low in proportion all down the scale. It's current consumption is 8 to 12.5 m.a. & it's resistance 118w. Signed G.J. This Sheet must be filed on completion of the work. | ||