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).
Test results for a shunt coil, detailing voltage and amperage readings before and after operation.
| Identifier | ExFiles\Box 48\3\ Scan151 | |
| Date | 24th January 1919 | |
| RR 300 (120B) (SF 349 24-1-19) MP 208552 91489 ROLLS-ROYCE LIMITED. INSTRUCTIONS. III To 19 Order No. Customer's No. 7C.160. Re Hot after running 2 Hours. at 10. amperes. Volts & amperes on Shunt coil to operate 14.2 Volts .190 amp. 74.7 w Volts & amps on Shunt coil after operation 14.2 Volts .120 amp. 118.0 w Ohms cut in by auxilary contact. 43.3 w Volts & amps. on Shunt coil to disoperate 10.5 Volts .090 amp. 116.5 w (Cont d. {John DeLooze - Company Secretary} ) Signed This Sheet must be filed on completion of the work. | ||