Note on springs used when fitting damped relief valves to a Phantom III.
| Identifier | ExFiles\Box 96\2\ scan0104 | |
| Date | 3rd February 1936 | |
| To By. {R.W. Bailey - Chief Engineer} c. to RHC. {R. H. Coverley - Production Engineer} X384 Hs {Lord Ernest Hives - Chair} /Swdl. {Len H. Swindell} 4/JH.3.2.36. Phantom III In conjunction with the fitting of damped relief valves to Hs. {Lord Ernest Hives - Chair} 2153/4/5 it should be noted that the springs E.86850 and E.86806 should not have the end coils reduced in diameter as is shown on the drawing. Hs {Lord Ernest Hives - Chair} /Swdl. {Len H. Swindell} | ||
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).