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).
Test log recording speed, main amperes, control amperes, and volts for customer 7B49.
| Identifier | ExFiles\Box 36\4\ scan 057 | |
| Date | 24th January 1919 | |
| BR 100 / (120B) (SF 349 24-1-19) MP 200552 90979 ROLLS-ROYCE LIMITED. INSTRUCTIONS. II To Order No. Customer's No. 7B49 Re | Speed | Main Amperes | Control Amperes | Volts. | |---|---|---|---| | 1680 | 13.00 | 8.15 | 15.15 | | 1795 | 13.20 | 9.40 | 15.20 | | 1925 | 13.40 | 10.40 | 15.25 | | 2110 | 13.35 | 11.20 | 15.20 | | 2350 | 13.30 | 12.20 | 15.20 | | 2495 | 13.20 | 12.50 | 15.20 | | 2615 | 13.05 | 12.90 | 15.15 | | 2875 | 12.85 | 13.30 | 15.15 | | 3260 | 12.50 | 13.80 | 15.10 | | 3780 | 12.15 | 14.25 | 15.10 | | 740 | 0 | -8.15 | 13.40. | Signed This Sheet must be filed on completion of the work. | ||