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).
Dimensional comparison drawing of a front axle assembly between a B-III model and a Packard.
| Identifier | ExFiles\Box 127\1\ scan0348 | |
| Date | 17th March 1938 guessed | |
| 1086 Dimensions in Dark (B-III): 6 3/8" 2" 18" 9 3/8" 1 1/4" 11 1/2" Dimensions in Red (Packard): 3 1/8 7 1/4 21 1/4 4 1/4 10 1/4 0 10 1/2 Crossed out dimension: 7 3/8" Notes: B-III dimensions in dark! Packard dimensions in red. | ||