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).
Cover note for a letter from Gleason Works listing oils that passed tests for Hypoid axles, with a suggestion to test one on aero engine gears.
| Identifier | ExFiles\Box 136\5\ scan0239 | |
| Date | 4th April 1930 | |
| Rg.{Mr Rowledge} Hs.{Lord Ernest Hives - Chair} E.{Mr Elliott - Chief Engineer} DA.{Bernard Day - Chassis Design} H1. x2066. BY1/N.4.4.30. We attach hereto copy of a letter received from the Gleason Works giving the latest list of oils which have passed the tests in connection with Hypoid axles. It might be desirable to get a sample of the one plain mineral oil which has passed the tests to compare on our aero engine gears. BY.{R.W. Bailey - Chief Engineer} | ||