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).
Instructions detailing the average resistance and winding specifications for six EAC starter solenoid coils.
| Identifier | ExFiles\Box 64\3\ scan0142 | |
| Date | 12th June 1924 | |
| RR 238 (150 BKS.) (SH57.29-6-20.) MP 224358 X.9650. ROLLS-ROYCE LTD. INSTRUCTIONS. To: EFC Order No.: PC 70 Customer's No.: X 9650 Date: June 12th 1924 EAC Starter Solenoid Coils The average resistance of these six coils, each wound with 243 turns of .048" (18 SWG) DCC wire, is .322 ohms at 16°C. Signed: C.H.P. This Sheet must be filed on completion of the work. | ||