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).
Extract requesting a sketch for a round tube radiator for a 40/50 chassis.
| Identifier | ExFiles\Box 38\2\ Scan009 | |
| Date | 17th December 1918 | |
| X. 3456. Extract from EH1/LG17.12.18. Alterations to 500 40/50 Chassis. (4) You will send a sketch shewing suggestions for bonding a round tube radiator. Round tubes to have square ends. | ||