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 detailing test results for a Liberty Dynamo under cold conditions.
| Identifier | ExFiles\Box 37\2\ scan 088 | |
| Date | 7th June 1920 | |
| RR 300 (120B) (SF 349 24-1-19) MP 2005 52 X.3306 91013 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S.Y.C. Date: 7/6/20 Order No: X.3306 Customer's No: 713 80. Re: Liberty Dynamo. G.C. Volts Cold Condition 21°C Speed | Volts. 470 | 2.0 560 | 4.0 640 | 6.0 740 | 8.0 835 | 10.0 925 | 12.0 Signed This Sheet must be filed on completion of the work. | ||