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).
On the testing of Maconitematerial, suggesting further experiments on other wires.
| Identifier | ExFiles\Box 168\1\ img035 | |
| Date | 15th May 1926 | |
| To EFC+ from R.{Sir Henry Royce} X3860 RL/M15.5.26. MACONITE. X.3860 Referring to your EFC1/T10.5.26, I do not consider this has shewn any definite superiority, but experiments should go on, and other wires tested. Oil and heat (oxidation) seem to be our enemies. R.{Sir Henry Royce} | ||