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).
Using a brush holder from a 40/50 Horse model for a 20 Horse dynamo motor.
| Identifier | ExFiles\Box 39\2\ Scan020 | |
| Date | 28th October 1919 | |
| X. 3533. To EFC from DA.{Bernard Day - Chassis Design} DA{Bernard Day - Chassis Design}4/CB28-10-19. X.3533 X.3534 RE BRUSH HOLDERS FOR DYNAMO MOTOR FOR 20 H.P. X.3573 In reply to your EFC4/T27-10-19, we have instructed the Brush Holder for the 40/50 Horse which is almost precisely like the 20 Horse. Perhaps this can be hastened and would be enough to meet Mr Royce's requirements. DA.{Bernard Day - Chassis Design} | ||