Photographic comparison sheet of various car models including Wraith, Bentley, Phantom III, and Packard.
| Identifier | ExFiles\Box 160\4\ scan0034 | |
| Date | 9th March 1939 guessed | |
| RC {R. Childs} 6101 WRAITH. RC {R. Childs} 5642 BENTLEY III RC {R. Childs} 3170 PHANTOM III RC {R. Childs} 5007 WRAITH. RC {R. Childs} 3600 BENTLEY II C114 CH PACKARD. | ||
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).