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).
Test log sheet recording results from a series of tests, numbered 20 to 24, with associated atmospheric conditions and dates.
| Identifier | ExFiles\Box 50\3\ Scan157 | |
| Date | 22th August 1921 | |
| -2- Tests. | 1 | 2 | 3 | 4 | 5 | 6 | Atmospheric temp. | Dates. 20 | O | O | 1 T.S. | 5 T.S | O | O | | 21 | O | O | 1 1/2 T.S. | 5 T.S. | 3 drops | O | 19°C | 19.8.21 22 | O | O | 1 drop | 3 drops | 4 drops | O | | 23 | O | O | 14 drops | 1 1/2 T.S. | 1 drop | O | 23 ° valve reset | 22.8.21 24 | O | O | 1 drop | 5 drops | 1 drop | O | " | " Vertical text on right edge: S.S. & Co. Ltd. 100 FT K.R.S 16-12-20 C 2947 | ||