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 a small motor for a Magneto Test has been sent, noting the absence of brush gear.
| Identifier | ExFiles\Box 61\2\ scan0020 | |
| Date | 1st July 1920 | |
| To EFC. from RHC.{R. H. Coverley - Production Engineer} x.75 RHC{R. H. Coverley - Production Engineer}5/LG1.7.20. Small Motor for your Magneto Test has been finished and sent along. No brush gear etc. RHC.{R. H. Coverley - Production Engineer} [Signature of RHC{R. H. Coverley - Production Engineer}] | ||