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).
Photograph of a Bentley Mark III frame with welded gussets, showing its thickness and torsional rigidity.
| Identifier | ExFiles\Box 86\4\ scan0234 | |
| Date | 8th June 1937 guessed | |
| BENTLEY. III. FRAME .128 THICK WELDED GUSSETS 1700 LBS. FT/DEGREE. | ||