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).
Complaints of noisy hydraulics, accompanied by a blueprint of a sticking shock-damper ball valve.
| Identifier | ExFiles\Box 55\4\ Scan283 | |
| Date | 7th December 1928 guessed | |
| contd :- -2- complaints of noisy hydraulics. We should like the point to be watched on production and test. Hs{Lord Ernest Hives - Chair}/Bn.{W.O. Bentley / Mr Barrington} [Text on blueprint] STICKING SHOCK-DAMPER BALL VALVE | ||