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 have the commutator skimmed on the 40/50 Experimental Dynamo No. XP15 for further brush tests.
| Identifier | ExFiles\Box 62\3\ scan0417 | |
| Date | 19th February 1934 | |
| 86142. RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/Wst. Hs{Lord Ernest Hives - Chair}/Wst.2/MA.19.2.34. 40/50 EXPERIMENTAL DYNAMO NO. XP15. Will you please have the commutator skimmed on this dynamo in preparation for further brush tests. Hs{Lord Ernest Hives - Chair}/Wst. | ||