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).
Note on the material specification for the first 100 chassis of the 20/25 HP 'Z' series.
| Identifier | ExFiles\Box 142\2\ scan0194 | |
| Date | 13th January 1933 | |
| ROY{Sir Henry Royce} c. Hs.{Lord Ernest Hives - Chair} c. RY/HEB.{H. Biraben} 8.4554. BY.3/G.13.1.33. RECEIVED 4 XII 1933 20/25 HP. CHASSIS - 'Z' SERIES. Will you kindly note that the first 100 chassis in 'Z' series are to be in the present standard material, i.e. in hot pressed nickel steel, as the Administration wish to have more experience with the cold pressed frame before committing themselves to one of our present standard chassis in this material. BY.{R.W. Bailey - Chief Engineer} | ||