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).
Blueprint showing modifications to an oil scoop for a PH.III Gearbox.
| Identifier | ExFiles\Box 94\1\ scan0265 | |
| Date | 13th December 1935 | |
| FIG. 1 0.250 60° FIG. 2 0.100 30° FIG. 3 0.100 0.250 FOR OTHER PARTICULARS SEE NSCH 4668 MODIFICATIONS TO OIL SCOOP PH.III GEARBOX. SCALE 1/1 RM{William Robotham - Chief Engineer}33 JH# 13/12/35 | ||