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).
The substitution of hydraulic fluid for Ph.III Sessions Hydraulic Jacks.
| Identifier | ExFiles\Box 139\1\ scan0123 | |
| Date | 24th April 1936 | |
| X1166 To By.{R.W. Bailey - Chief Engineer} c. to Roy.{Sir Henry Royce} c. to Mx.{John H Maddocks - Chief Proving Officer} Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}31/KW.24.4.36. Ph.III Sessions Hydraulic Jacks. We understand Lockheeds are unwilling to supply their standard brake fluid for these jacks. In these circumstances Wakefield's "Castraulic" should be used instead. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} | ||