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).
Diagram illustrating a load-bearing structure with rollers and extra tubular members.
| Identifier | ExFiles\Box 14\8\ Scan061 | |
| Date | 23th May 1928 guessed | |
| LOAD, A, B, C, EXTRA TUBULAR MEMBERS., ROLLERS, CLAMPED HERE | ||