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).
Cancelling a ball valve design for Spectre Hydraulic Valve Adjusters, substituting it with a conical headed plunger.
| Identifier | ExFiles\Box 96\2\ scan0002 | |
| Date | 11th April 1934 | |
| x4094357 To BY.{R.W. Bailey - Chief Engineer} from E/JNR.{Charles L. Jenner} c. Hs.{Lord Ernest Hives - Chair} E/JNR.{Charles L. Jenner}1/HP.11.4.34 SpectreCodename for Phantom III Hydraulic Valve Adjusters. As the result of American experience we wish to cancel the design of the above which embodies the ball valve,and substitute a conical headed plunger which we send you herewith - drawing LeC.3853. We have the actual Cadillac details which may be of assistance to you for fixing the limits. E/JNR.{Charles L. Jenner} | ||