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).
Confirming that Bosch holds no patents on the Stepped Armature Starter Motor.
| Identifier | ExFiles\Box 62\1\ scan0117 | |
| Date | 3rd February 1933 | |
| E.{Mr Elliott - Chief Engineer} WST X6134 BY/NW{N. Walker - Patents}2/MB3.2.33. c. Hs{Lord Ernest Hives - Chair}/Wst. BY/RD. STEPPED ARMATURE STARTER MOTOR. Referring to your E3/HP.13.1.33, we find that Bosch hold no patents on the above. BY/N.W. | ||