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).
The average weight of thirty complete cars based on test reports.
| Identifier | ExFiles\Box 10\5\ 05-page116 | |
| Date | 21th October 1922 | |
| Handwritten: A.J. AT NOTE Jackson's These are standards / drawn under writer of TO. Mr. Orchard Complete Car Weight. We have so far received test reports for 30 complete cars and the average weight of these without tools is 33 - 0 - 3. The average works weight as at 28 - 0 - 2. A list of the complete cars is attached hereto together with weights of Sundry Units. Handwritten: A.J. | ||