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).
Instruction sheet with a table of power curve data.
| Identifier | ExFiles\Box 74\4\ scan0164 | |
| Date | 4th March 1912 | |
| X4134 R.R. 26 (10M Bks) (S.E. 591 13-3-18). M.P. 189358 ROLLS-ROYCE LIMITED. INSTRUCTIONS. Order No. T.W. Hives Customer's No. 4/3/12 - 191 Herewith a copy of Power curves of 4. Gos. 2. RPM | Lift | HP | Barom 750 | 80 | 13.5 | 752 m/m 1000 | 80 | 18 1250 | 76 | 21.4 1500 | 73 | 24.6 1750 | 70 | 27.5 2000 | 69 | 31.3 2250 | 68 | 34.4 2500 | 64 | 36.2 Signed: [Illegible Signature] This Sheet must be filed on completion of the work. | ||