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).
Continued discussion on using tungsten and platinum iridium points for ignition reliability.
| Identifier | ExFiles\Box 34\1\ Scan279 | |
| Date | 3rd November 1921 | |
| W.H. 838a (100 T) (S.H. 728.10-12-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 1945 Contd. -2- R1/G3.11.21. Then if we have proof that we can use tungsten points, we may fit moderate sized platinum iridium points which will render the ignition quite remarkably reliable. R.{Sir Henry Royce} | ||