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 results sheet for a Liberty dynamo's output under hot conditions.
| Identifier | ExFiles\Box 37\2\ scan 087 | |
| Date | 8th June 1920 | |
| RR 300 (120B) (SF 349 24-1-19) MP 200552 91016 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: # S.F.C. Date: 8/6/20 Order No: X. 3306 Customer's No.: FB. 83. Re: Liberty dynamo. Plain Shunt Output - hot condition 75°C | Speed | Amperes | Volts | |--------|---------|--------| | 870 | 0 | 8.9 | | 950 | 1.40 | 8.75 | | 1050 | 2.85 | 9.0 | | 1130 | 4.05 | 9.25 | | 1250 | 5.6 | 9.55 | | 1325 | 6.7 | 9.75 | | 1360 | 7.65 | 9.9 | | 1490 | 8.4 | 10.05 | | 1550 | 9.0 | 10.2 | | 1640 | 10.05 | 10.45 | | 1730 | 10.7 | 10.5 | | 885 | 0 | 9.00 | Signed: [Signature] This Sheet must be filed on completion of the work. | ||