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).
Description of a bakelite moulding with a top tin flange for holding a coil in position.
| Identifier | ExFiles\Box 164\5\ img005 | |
| Date | 27th January 1931 guessed | |
| -2- A bakelite moulding with the top tin flange of the case apparently moulded in, holds the coil in position by means of a circular spigot extension which fits over the core at its top end, the H.T. terminal being in the centre of the moulding externally with the two L.T. primary terminals one on each side. | ||