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 proposal to make grinding the faces of the 40/50 HP servo drum and halo a standard practice.
| Identifier | ExFiles\Box 73\1\ scan0210 | |
| Date | 3rd October 1924 | |
| X9910 [obscured] Matthews. O.{Mr Oldham} Hor. c. Hs.{Lord Ernest Hives - Chair} EP{G. Eric Platford - Chief Quality Engineer}4/H3.10.24. re. 40/50 HP. Servo Gears. With reference to the above, I understand that Hm.{Capt. W. Hallam - Head Repairs} has obtained much more satisfactory results as regards the working of the Servo by the faces of the drum and the halo being grounds and obtained a true surface. Is this proposed to be the standard practice. EP.{G. Eric Platford - Chief Quality Engineer} | ||