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).
Continued list of available components by number, type, and status.
| Identifier | ExFiles\Box 4\5\ 05-page171 | |
| Date | 31th March 1921 guessed | |
| -2- Contd. Number available. | No. | Type. | Remarks. 1 | 142352 | Berling F.61. | 1 | 142351 | " E.61. | } Awaiting report. 1 | 142409 | " D.63 | EFC. | ||