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).
Continued note comparing a mouldensite encased coil with a tall type redmanol coil, noting differences in the primary winding.
| Identifier | ExFiles\Box 45\4\ Scan242 | |
| Date | 3rd June 1924 | |
| Contd. -2- EFC5/T3.6.24 these to replace the small mouldensite encased coil which you have at present on 6-EX. You have on 5-EII a tall type coil in a redmanol case, designated 3TG3, but this is not quite identical with the present standard as regards the primary winding. EFC. | ||