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).
Particulars of ballast resistance from a Delco-Remy unit in the lab.
| Identifier | ExFiles\Box 163\7\ img070 | |
| Date | 14th June 1926 | |
| X.4284. 14.6.26. PARTICULARS OF BALLAST RESISTANCE OFF DELCO-REMY UNIT IN LAB. 81 inches 30 SWG. (.012") wire. HEW. | ||