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).
Parts and modifications list for steering and radiator components.
| Identifier | ExFiles\Box 92\6\ scan0239 | |
| Date | 28th February 1938 | |
| -4- Description of Part. Manufactured. Details Req'd.{John DeLooze - Company Secretary} Design Req'd.{John DeLooze - Company Secretary} Steering - Cont'd.{John DeLooze - Company Secretary} (15) Two centre ball pins 0.700 dia. at large end of taper to enable existing lever G.85630 to be used and with locking device omitted. Two outer ball pins standard Ph.III but with locking device omitted. Spherical surfaces of ball pins to be polished. | Yes & Parts. (16) Ball pads in Bakelite material to Ex.S. 154 and G.83415. Washers to ExS.155 Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} will supply Bakelite material. | Parts Req'd.{John DeLooze - Company Secretary} (17) Tubes to be S/M not jumped up at ends, i.e. 0.691 inside dia. throughout. | Yes & Parts. Cross Steering Levers & Stub Axle. (18) Standard Ph.III Stub axles existing in Experimental Shop. | Yes. (19) Levers to G.84585/6 existing in Experimental Shop. Locking device for ball pins omitted. | Yes. (20) Yokes to Rm.{William Robotham - Chief Engineer}383 | Yes. (21) Modified engine sump oil filter to clear side steering tube Rm.{William Robotham - Chief Engineer}372 | Yes. Radiator. Matrix unit with - (a) Pressed bottom tank with fittings similar to Wraith, but auxiliary drain tap fitted on tank. | Yes. (b) 84mm. matrix (Mk.VI) with reduced frontal area - no starting handle tunnel. | Yes. (c) Top tank with cast combined inlet nozzles fitted as on Wraith. | Yes. (d) Bakelite filler cap as suggested for B.50. | Yes. Cont'd.{John DeLooze - Company Secretary} | ||