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 querying whether plain or louvered bonnet sides are required for chassis 34-EX.
| Identifier | ExFiles\Box 114\4\ scan0135 | |
| Date | 16th June 1937 | |
| 94 1011 16.6.37. Honeyman, RolheadRolls-Royce telegram address, Piccy, London. 34-EX DO YOU REQUIRE PLAIN OR LOUVRED BONNET SIDES. Hamilton, ROYCAR. | ||