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).
List of modifications to be made to the Spectre Rig Gearbox.
| Identifier | ExFiles\Box 94\1\ scan0177 | |
| Date | 26th August 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} X328 Hs{Lord Ernest Hives - Chair}/FJH.{Fred J. Hardy - Chief Dev. Engineer}11/KW.26.8.35. SpectreCodename for Phantom III Rig Gearbox. We are sending the above gearbox into the shop. Will you please carry out the following work on it. (1) Plug up the three holes drilled in the front cover and both oil drain holes in the front of the box. (2) Machine the slot to Hs.{Lord Ernest Hives - Chair}2090 in front cover as instructed for SpectreCodename for Phantom III II. The slight bulge required for this slot can be welded on for this gearbox. (3) Plug the hole drilled in the rear end of the box and replace the stud removed on the last occasion. (4) Fit new bushes to spigot bearing, 3rd speed gear and 2nd speed gear without any of the modifications as on SpectreCodename for Phantom III II and with standard clearances. Hs{Lord Ernest Hives - Chair}/F.J.Hardy! | ||