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).
Specification sheet for Sequence Starter Motor K, listing resistance and setting values.
| Identifier | ExFiles\Box 64\2\ scan0171 | |
| Date | 2nd July 1928 | |
| X7625B 2.7.28. X.7625B. SEQUENCE STARTER MOTOR K.{Mr Kilner} Main field resis. .021 ohm. Total resis. .036 ohm. Armature + brush resis. .015 ohm. Armature only. .0138 ohm. Main brushes 9° adv' Air gap .013" - .016" F.J.A. | ||