Request for temperature test figures on standard production ignition coils for Bentley and Phantom III models.
| Identifier | ExFiles\Box 164\5\ img350 | |
| Date | 20th May 1938 | |
| To Rm {William Robotham - Chief Engineer} /RC. {R. Childs} .6617. BY {R.W. Bailey - Chief Engineer} /RD.1/B.20.5.38. IGNITION COILS - SEC.8140. Will you please let us have figures for a temperature test on the standard production coil :- Bentley - D.72503 (22 S.W.G.). Ph.III - D.75260 (21 S.W.G.). for comparison with those in Rm {William Robotham - Chief Engineer} /RC. {R. Childs} 8/JH.12.5.38., on Wraith and Delco coils. BY {R.W. Bailey - Chief Engineer} /RD | ||
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).