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).
Cover memo for charts detailing the weights of Spectre units affected by design modifications.
| Identifier | ExFiles\Box 96\4\ scan0023 | |
| Date | 13th May 1935 | |
| X358 To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} from RHC.{R. H. Coverley - Production Engineer} c. Hs{Lord Ernest Hives - Chair}/TD RHC.{R. H. Coverley - Production Engineer}9/ETM13.5.35. SPECTRECodename for Phantom III WEIGHTS Attached hereto are charts shewing the weights of various units affected by design modifications incorporated in 3.S.1. RHC.{R. H. Coverley - Production Engineer} | ||