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 of various batteries with details on their cable connections.
| Identifier | ExFiles\Box 38\5\ Scan076 | |
| Date | 14th May 1920 | |
| X.3398. 14.5.20. X.664. - BATTERIES WITH CABLE CONNECTIONS. No. Battery. Remarks. X.3398. 14. P & R PDL 9 Removable by nuts. X.646. 22. Fuller special. Burnt. on. X.607. 27. Chloride 6 PHR 7 removable by clip. X.1198. 30. Willard S.J.R.27. Removable by clip. X.979. 33. Tudor R.F.1. Burnt on. EFC. | ||