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).
List of modifications to a change gear mechanism, clutch, radiator matrix, and water pump.
| Identifier | ExFiles\Box 1\8\ B001_X100 Engine Chassis-page095 | |
| Date | 17th September 1932 | |
| -2- New change gear mechanism R.R.sch. 225. Clutch. Altered leverage to suit stronger springs. Rad. matrix. Marston. Water pump. R.R.sch.234. Those underlined are not yet instructed from D.O. BY/SS{S. Smith} - 17.9.32. ---------- | ||