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).
Diagrammatic view from the commutator end of a 20HP 5' starter motor showing positive rotation.
| Identifier | ExFiles\Box 62\1\ scan0218 | |
| Date | 5th December 1928 | |
| R.R. STANDARD 20HP 5" STARTER MOTOR. (POSITIVE ROTATION) S N + - DIAGRAMMATIC VIEW FROM COMMUTATOR END Stamp: ROLLS-ROYCE LIMITED, EXPERIMENTAL DRAWING, 5 DEC 1928, DERBY | ||