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).
Graph plotting a variable labelled 'Trecessi' against Degrees Slip Angle under different load conditions.
| Identifier | ExFiles\Box 170\3\ img160 | |
| Date | 21th January 1938 guessed | |
| TRECESSI DEGREES SLIP ANGLE. 915# - 100% 650# - 71% 0 10 20 30 40 0 1 2 3 4 5 6 7 8 | ||