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).
Instruction sheet with test results for a Lucas F575 dynamo's output after a heating test.
| Identifier | ExFiles\Box 36\4\ scan 076 | |
| Date | 9th June 1920 | |
| RR 300 (120B) (SF 349 24-1-19) MP 208552 X 3014 b. 91018 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S.F.C. Customer's No.: 7B 85 Order No.: Re: X 3014 b. Lucas F575 dynamo. Out-put after heating test with control brush advanced 30° (hot 83°C.) Table Data: Speed | Amperes | Volts 760 | 0 | 13.3 920 | 3.6 | 14.3 1070 | 6.55 | 14.8 1140 | 7.75 | 14.95 1310 | 10.3 | 15.2 1710 | 12.9 | 15.5 2225 | 13.45 | 15.6 2400 | 13.25 | 15.4 2740 | 12.9 | 15.4 3230 | 12.35 | 15.4 770 | 0 | 13.4 OK. Not plotted. Signed This Sheet must be filed on completion of the work. | ||