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).
A change in schedule for all changeovers.
| Identifier | ExFiles\Box 56\4\ Scan041 | |
| Date | 24th December 1926 | |
| X No 5450 N Sch 2328 Ha X5450 RECEIVED Hs {Lord Ernest Hives - Chair} DEC 24 1926 This is not needed we using N Sch 2305 for all Changeovers & on standard as soon as it becomes available By 24-12-26 | ||