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).
Two design options for the Goshawk II oil pump casing.
| Identifier | ExFiles\Box 77\1\ scan0168 | |
| Date | 26th October 1921 | |
| To Hs.{Lord Ernest Hives - Chair} [redacted] from BY/Shn. X4232 BY/Shn2/DB.{Donald Bastow - Suspensions}26.10.21. RE "GOSHAWK II" - OIL PUMP. X4232 Will you please report to Mr Bailey which Oil Pump Casing you recommend for the Works five sets. E.50936 - Unions formed on casing. (LeC.1453). E.50910 - Separate Unions sweated in to Mr Royce's instructions.(E1/G.26.8.21) Both the above are in gun metal. BY/Shn. | ||