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).
Wraith water pump with water lubricated bearings and a gland sealing washer.
| Identifier | ExFiles\Box 149a\1\ scan0329 | |
| Date | 5th December 1938 | |
| -2- Rm{William Robotham - Chief Engineer}/Std.7/MH.{M. Huckerby}5.12.38. We will hand to you a Wraith water pump incor-porating our latest ideas on water lubricated bearings and think that we shall either need a carbon or bakelite gland sealing washer. Rm{William Robotham - Chief Engineer}/Std. | ||