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).
Procedure for a new corrosion protection method for airscrew hubs and handling returned units.
| Identifier | ExFiles\Box 10\5\ 05-page098 | |
| Date | 30th January 1930 | |
| S.S.A./V.S.I. 30.1.30 TITLE. AIRSCREW HUBS DESCRIPTION OF THE NEW METHOD FOR PROTECTING HUBS AGAINST CORROSION AND ACTION TO BE TAKEN WHEN THESE HUBS ARE RETURNED. [Main body of text is illegible] | ||