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).
Temperature-related properties of three material specimens.
| Identifier | WestWitteringFiles\I\September1922\ Scan69 | |
| Date | 10th August 1922 | |
| RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No. P.B. 45 Customer's No. X 1109 Date: August 10th 1922 The temperatures for the various conditions of the three specimens are as follows:- Condition of Material | Elo. | Black Mouldensite | Brown Mouldensite --- | --- | --- | --- Vapour formed and material softened. | From 135°C To 271°C | 170°C 280°C | 126°C 230°C Commenced to blister. | 236°C | 240°C | 228°C Commenced to char. | 277°C | 292°C | 345°C Signed: C.A.P This Sheet must be filed on completion of the work. | ||