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).
Design improvement for the new 20 HP chassis.
| Identifier | ExFiles\Box 38\2\ Scan153 | |
| Date | 1st June 1921 | |
| Contd. -4- R10/G8.6.21. demonstrate the efficiency. A better and more easily applied and more accessible design is required; this is in hand and has been applied to the new 20 H.P. chassis. | ||