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).
Results from a second test on various Piston Alloys, noting temperature readings and missing components.
| Identifier | ExFiles\Box 76\3\ scan0015 | |
| Date | 28th July 1917 | |
| R.R. 26. (24H) S.D. (295. 15-3-17) M.P. 176550. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Davis 28. 7 1917. Order No. Customer's No. Results of 2nd Test. Piston Alloy A (1) 220°C (both) : 265°C both 1/2 of each of 285°C missing (2) 220°C (both) : 265°C (both) 1/2 of one 285°C & one 305°C missing Piston Alloy P (1) 220°C (both) 265°C (both) missing (2) 220°C both 265°C (both) 285°C & one 305°C missing Piston Alloy C (1) 190°C (both) 220°C (both) missing (2) 190°C (both) 220°C (both) Signed: [Illegible Signature] This Sheet must be filed on completion of the work. | ||