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).
Diagrammatic plan view of a B.III off-side suspension system.
| Identifier | ExFiles\Box 100\1\ scan0144 | |
| Date | 9th May 1938 guessed | |
| Normal position (67½°) giving .117" deflection. Frame QL. Position giving no deflection L = 112°. Lower lever. A Yoke. Torque arm. Diagramatic plan view of B.III suspension off side. Fig. II. NB. The position of the arm. on the Packard for no sideways movement makes an angle of approximately 102° with the frame QL | ||