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).
Instructions for fitting and testing Hall's Metal Bearings on Phantom III engines.
| Identifier | ExFiles\Box 115\3\ scan0123 | |
| Date | 22th November 1937 | |
| SWD2 -> Seles 1020. Int Hg Ry c Rm{William Robotham - Chief Engineer} Mx{John H Maddocks - Chief Proving Officer}4/T22.11.37 PHANTOM III BEARINGS At the Chassis Conference on the 17th inst.it was decided to fit 15 Production P.III Engines with Hall's Metal Bearings No. AC.6. These engines should be put through the routine test with the oil cooler cut out. Will you please arrange for the oil temperatures to be taken and the bearings dismantled for examination after test. It is not intended to despatch the chassis with oil cooler disconnected - this should only be done for purposes of test. Mx{John H Maddocks - Chief Proving Officer} [Signature] | ||