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).
Page 2 of a 15,000 miles test report for the 32-EX Phantom II, detailing parts tested, mileage, and results.
| Identifier | ExFiles\Box 91\2\ scan0067 | |
| Date | 6th July 1937 guessed | |
| 32-EX. PHANTOM II -2- 15,000 Miles Test Part | Remarks | Mileage in England | Mileage in France | Result of test --- | --- | --- | --- | --- RS.{Sir Henry Royce's Secretary}500 Valve Springs "A" and "B" side | | 1,763 | Nil | Failed EB.175 Valve Springs "A" side | Standard Bentley | 1,292 | | Rm.{William Robotham - Chief Engineer}260 Valve Springs "B" side | Produced by Tempered Spring Co. in Swedish wire Recently standardised for Bentley | 1,292 | | Lec.5461 E.88738 Aluminium Hot Spot with improved coring | As fitted to 35-EX. but with mod. coring to facilitate production. Standardisation Sheet already issued | 3,055 | | LOP.E.88088 Air Silencer with increased number of rivets. Burgess Element fitted | Mod. to overcome failure of rivetted joint on 35-EX. | 2,387 | | Ex.27901 Aluminium distance piece for water pump coupling | | 964 | | E.86982 Fine Grain Fabroil Idler gear | To reduce wear previously experienced | 3,055 | | "Palmetto" packing material in water pump gland. | Recently standardised for Bentley & 25/30 HP. | 3,055 | | Lec.3665 Mod.Oil strainer | Additional support for gauze | 3,055 | | | ||