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).
Modifications and new drawings for the Spectre Chassis radiator and fittings, specifically the steam valve.
| Identifier | ExFiles\Box 94\3\ scan0020 | |
| Date | 24th September 1935 | |
| To RHO. c. Hs{Lord Ernest Hives - Chair}/Std. +360 Steadman BY/CS2/EH.24.9.35. Re SpectreCodename for Phantom III Chassis - Radiator & Fittings - Sec;5250. LeC.4600 - Modified Steam Valve. Please receive herewith blue prints of the following new drawings, detailed to above LeC. E.87454 Inner Element Diaphragm replaces E.87217. E.87455 Outer " " E.87218. E.87456 Diaphragm Assembly " " E.87220. E.87457 Valve Outlet " " E.87141. Please instruct up as required, along with remainder of parts to LOP. E.87239. Also herewith new blue prints of the following drawings;- E.87149DC Steam Chamber E.87222 Guide (Valve Spring) E.87223 Pin (Steam Valve) altered in accordance with alteration Nos. 17762/E & 17764/E, copies of which read as follows;- Alteration No. 17762/E.{Mr Elliott - Chief Engineer} E.87222 Guide (Valve Spring) Dia. of collar .125 altered to .175. E.87223 Pin (Steam Valve) Dia. of flange .125 altered to .175. REASON. Design Office verbal instructions. cont'd.{John DeLooze - Company Secretary} | ||