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).
Table comparing the angularity and transverse movement of damper links for various models.
| Identifier | ExFiles\Box 151\2\ scan0360 | |
| Date | 7th March 1938 | |
| 1292 DAMPER LINKS 7.3.38 Angularity and Transverse movement of lower end of damper links due to independent wheel movement of 2". Transverse Movement. Angularity Phantom III. 0.248" 2 1/4° Wraigh (production) 0.318" 2° Wraith (bumper) 0.306" 1 3/4° Bentley II. 0.319" 2 3/4° Bentley III. 0.365" 4 1/4° | ||