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 for a Smith 'A' dynamo with brushes in the normal (fully hot) position.
| Identifier | ExFiles\Box 3\5\ 05-page236 | |
| Date | 14th June 1920 | |
| RR. 500 [1203]-GF 24-1-19. 10M 269157 X.295 90938 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark I 14/6/20 Order No: X 295 Customer's No.: FB.12 Re: [Strikethrough: X 295] Smith 'A' dynamo Brushes in Normal position (Fully Hot.) Speed | Amps. | Volts 580 | 0 | 13.6 595 | 1.00 | 13.65 630 | 2.30 | 13.70 675 | 3.65 | 14.15 720 | 4.90 | 14.45 770 | 6.40 | 14.70 830 | 7.95 | 14.90 920 | 9.60 | 15.10 1050 | 11.05 | 15.30 1290 | 12.10 | 15.40 1520. | 12.30. | 15.40 Signed: [Illegible Signature] This Sheet must be filed on completion of the work. | ||