Clarifying that improvements to the Spectre Ignition Coil B.74200 are expected from a change of material.
| Identifier | ExFiles\Box 164\5\ img222 | |
| Date | 29th March 1935 | |
| By. {R.W. Bailey - Chief Engineer} From Hs {Lord Ernest Hives - Chair} /Wst. ✓6017. Hs {Lord Ernest Hives - Chair} /Wst.3/MA.29.3.35. SPECTRECodename for Phantom III IGNITION COIL B.74200. Referring to your By {R.W. Bailey - Chief Engineer} /RD.-/W.28.3.35., we are not expecting you to carry out any turning over of the end of the coil and we are not expecting any improvement due to any extra amount of iron but rather to the change of material. Hs {Lord Ernest Hives - Chair} /Wst. | ||
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).