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).
Attaching a blueprint diagram of connections for the auto charge control switch.
| Identifier | ExFiles\Box 59\1\ Scan323 | |
| Date | 1st May 1928 | |
| X4008 To OY. from EFC. EFC1/T1.5.28. AUTO CHARGE CONTROL SWITCH. With reference to our note EFC4/T30.4.28, herewith we attach blueprint of diagram of connections of the auto charge control switch which gives the directions of current through the instrument, and the directions of windings of the coils. We regret that we omitted to attach this to our EFC4/T30.4.28, as stated therein. EFC. | ||