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).
Circuit diagram for a Spectre experimental starter motor scheme.
| Identifier | ExFiles\Box 62\1\ scan0296 | |
| Date | 8th February 1935 | |
| SPECTRECodename for Phantom III EXPL. STARTER MOTOR SCHEME PUSH SWITCH DUAL WINDING SOLENOID MAIN CONTACTS BATTERY MAIN FIELD ARMATURE ROLLS-ROYCE. LTD PRL. I. OM FEB 8 1935 DERBY | ||