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 the cold volt-speed characteristics for a Smith Type 2D(O) Dynamo.
| Identifier | ExFiles\Box 3\5\ 05-page203 | |
| Date | 19th March 1920 | |
| X.295 173. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Mr Clark. 19/3/20 19 Order No. X.295 Customer's No. -- Smith Type 2D(O) Dynamo - Volt-speed characteristic (O.C.) Cold. Speed | Volts 390 | 10.75 420 | 12.0 480 | 14.3 500 | 15.2 520 | 15.75 530 | 16.25 560 | 17.4 Signed This Sheet must be returned on completion of the work. | ||