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).
List detailing various Auto Charge Control Switch Units, their specifications, and locations.
| Identifier | ExFiles\Box 59\1\ Scan268 | |
| Date | 14th February 1928 | |
| X4008 14.2.28. LIST of AUTO CHARGE CONTROL SWITCH UNITS. Unit. Iron or brass winding cheeks. Polarity. Remarks. Location. A I N. Three terminal. Permnt. connection to base. Extra winding. 8-EX. B I S As above without extra winding. Lab. C. B N. Four terminal type. 9-GIII. D.{John DeLooze - Company Secretary} I N. Four terminal type. Not up-to-date. 14-EX. E.{Mr Elliott - Chief Engineer} B. N. Ditto but up-to-date. 12-EX. F.{Mr Friese} B. N. * 15-EX. EFC. | ||