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).
Specifications for the change speed gate and side brake on the American model.
| Identifier | ExFiles\Box 137\5\ scan0009 | |
| Date | 27th September 1919 | |
| R.R. 235 B (200 T) (S P. 674, 22-5-19) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2376 X.3720 X.3680. Extract from R6/G27.9.19. X3720 RE AMERICAN MODEL CHANGE SPEED GATE AND SIDE BRAKE. Gate and side brake lever to be in centre of chassis. Probably a small gate without side notches, like 49-GB. | ||