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).
The satisfactory performance of improved valve spring washers fitted to Falcon engines.
| Identifier | ExFiles\Box 36\1\ scan 142 | |
| Date | 28th December 1917 | |
| To Mr. Clark. from EH. EH3/LG28.12.17. 28th Dec. 1917. X. 2925F/D - VALVE SPRING WASHERS These have been fitted to standard Falcon engines for some time, they are quite satisfactory and are an improvement of the old ones, EH. R.R. 250 B (S80 H) S.D. 442. P-H-G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 1916 | ||