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).
Diagram of an armature stamping for a Lucas Model C5-O Type N-O dynamo.
| Identifier | WestWitteringFiles\V\2January1931-April1931\ Scan079 | |
| Date | 25th March 1931 guessed | |
| ARMATURE STAMPING OF LUCAS MODEL C5-O TYPE N-O DYNAMO. | ||