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).
Costs of various Phantom III gearbox components from different foundries.
| Identifier | ExFiles\Box 94\2\ scan0144 | |
| Date | 5th January 1937 | |
| Rm.{William Robotham - Chief Engineer} H 328 ROY{Sir Henry Royce}/MS7/P.5.1.37. P.III GEARBOX COSTS. With reference to paragraph 2 of your memo Rm{William Robotham - Chief Engineer}/Gry{Shadwell Grylls}23/AP.8.12.36, we give below the cost in Cast Iron of the details referred to:- Piece No. G.82898 - Actuating Sleeve. Weight 7½ ozs. (Made from Bar) RR Firm. Price of Castings. Tool Cost. Patterns Midland Motor Cylinder Co. 5½d each. £7.10. 0. Coneygre Foundry Co. 6d each. £3.15. 0. G.82655F - Bearing. Weight 10 ozs. RR Cost 1/- each. Midland Motor Cylinder Co. 4d each. £10. 0. 0. Coneygre Foundry. 2d each. £ 4.10. 6. G.81690 - Actuating Sleeve. Weight 3 lbs 8 ozs. Works Cost 2/6½d.{John DeLooze - Company Secretary} Midland Motor Cylinder Co. 7½d £10. 0. 0. Coneygre Fdry. 7½d £ 5. 0. 0. Roy{Sir Henry Royce} [Signature] | ||