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).
Instructing the works to start recording oil cooler numbers against their respective engine units.
| Identifier | ExFiles\Box 131\1\ scan0284 | |
| Date | 17th August 1937 | |
| To RHC.{R. H. Coverley - Production Engineer} 1114 Rm{William Robotham - Chief Engineer}/Std.9/JH.17.8.37. We find that the works keep no record of which number oil cooler is fitted to any given engine unit. It is extremelly important that this should be done. Will you please arrange for this to be instituted immediately, each oil cooler matrix unit has a number clearly stamped on the baffle plate. Rm{William Robotham - Chief Engineer}/Std. | ||