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 type of ignition tube to be used for the 'N' series engine and the potential scrapping of ordered fibre tubes.
| Identifier | ExFiles\Box 142\2\ scan0018 | |
| Date | 4th August 1920 | |
| Contd. -2- By5/H.4.8.20. the end of "N" series using the same type ignition Tube as we used on J, K, L, and M.{Mr Moon / Mr Moore} it is possible that we shall have to continue to use this type of tube right through, but we cannot definitely order up at the moment as we are awaiting Hs.{Lord Ernest Hives - Chair} further experiments in regard to whether we may use the Fibre Tubes which were originally ordered for "N" and "O" series, or whether they will have to be scrapped. By.{R.W. Bailey - Chief Engineer} R.R. 199 (250T) (SD676 19-7-17) M/P 180865 | ||