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).
Telegram recommending testing vehicle 24 EX at Brooklands before a continental run due to troubles.
| Identifier | ExFiles\Box 19\4\ Scan150 | |
| Date | 19th June 1930 | |
| X7778. POST OFFICE TELEGRAPHS. No089. CONFIRMATION. 29 11.30 WEYBRIDGE T 17. ROYCAR DERBY = HIVES RECOMMEND 24 EX TESTED ON BROOKLANDS BEFORE CONTINENTAL RUN VARIOUS TROUBLES HERE = R M + | ||