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 showing the dimensions and angles of a Marmon Axle Pivot.
| Identifier | ExFiles\Box 32\5\ Scan222 | |
| Date | 12th March 1924 guessed | |
| X1692 CENTRE LINE OF PIVOT PIN VERTICAL. Angle of Pivot 2° 15' 2.375" Pivot Lean .625 back Diag: MARMON Axle Pivot | ||