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).
Alterations to the Phantom III radiator steam chamber and cover.
| Identifier | ExFiles\Box 94\3\ scan0269 | |
| Date | 15th December 1937 | |
| c. Rm{William Robotham - Chief Engineer}/GWH.{George W. Hancock - Head Chateauroux} BY/NS.{Norman Scott}10/G.15.12.37. 340 PHANTOM lll. RADIATOR. E.87149 Steam Chamber. E.87229 Cover - Steam Chamber. Will you kindly make the following alterations :- E.87149. 1.025 + 10 dia. altered to .9375 + 10 dia. 1.075 + 10 dia. altered to 1.000 + 10 dia. Add note "To be treated in a chromic phosphoric bath after machining". E.87229. Alter material from RR.66 Aluminium Alloy to Dixtampo. The joint washer between the base of the steam chamber and the radiator tank should be changed from aluminium to copper asbestos. The new pieces should be used for replacements. BY/NS.{Norman Scott} NS.{Norman Scott} | ||