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).
Extract requesting a confirmatory report on the results of extra thrust applied to a rear bevel pinion.
| Identifier | ExFiles\Box 49\1\ Scan312 | |
| Date | 18th May 1921 | |
| X.4150 18.5.21. "xtract from EP{G. Eric Platford - Chief Quality Engineer}/Thn6/F18.5.21. X.4305 X.4150 (b) Result of extra thrust rear bevel pinion, and if can be recommended temporarily. Will you please follow up your cables with confirmatory reports. EP{G. Eric Platford - Chief Quality Engineer}/Thn. | ||