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).
List of modifications and remarks on various vehicle components.
| Identifier | ExFiles\Box 161a\2\ scan0072 | |
| Date | 11th November 1937 | |
| GENERAL. -5- Rm{William Robotham - Chief Engineer}/Gry{Shadwell Grylls}7/R.11.11.37. REMARKS. (24) P.III. X.314. Modified Milling of connecting rod panels. X.317. Extra oil holes in spring drive centre plate to improve lubrication of cotton duck friction washers. X.328. Baffle washers on servo drive shaft replaced by plain washers. X.350. Set up adjustment of side steering tube springs increased from 0.005-0.007 to 0.010-0.015. X.350. Inner steering column tube connecting steering wheel to cam made in two parts brazed together instead of one piece. X.1028. Front and rear brake drums in chromidium. X.1263. S.U. high pressure petrol pump in the frame. X.1269. Coupling piece between dynamo and water pump. (25) TYRE NOISE 25/30. The 2,000 tooth Dunlop tyre is so far giving satisfaction. (26) BRONZE CLUTCH FACINGS. There have been no come-backs with these. A further large supply has been ordered. (27) WIDNEY BONNET. We presume this will not now be wanted on P.III. | ||