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 two types of steering rollers to a rig steering box for testing.
| Identifier | ExFiles\Box 159\6\ scan0009 | |
| Date | 5th February 1937 | |
| 1371 To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}8/AP.5.2.37. RIG STEERING BOX. Will you please fit to the rig steering box the following steering rollers in the order mentioned - (1) Standard Phantom III. steering roller but with inner races bored out to suit the plain pin of the rig box. (2) 25/30 Steering roller produced by Messrs Ransome & Marles and which has a soft skin on the ground surfaces. To be tested to determine amount of wear. The inner races should be ground out to suit pin. Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} | ||