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).
Request to fit a fan-ventilated dynamo in the laboratory with a set of machined poles to S183.
| Identifier | ExFiles\Box 168a\3\ img169 | |
| Date | 18th March 1935 | |
| RHC.{R. H. Coverley - Production Engineer} From Ha/Wst. 6099 Ha/Wst.4/MA.18.3.35. Will you please have one of our fan ventilated dynamos in the laboratory fitted with a set of poles to S183 which you have had machined for us. Ha/Wst. | ||