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).
Cost comparison for Phantom III Gearbox inner cores (part G.84366) in cast iron from two different foundries.
| Identifier | ExFiles\Box 94\2\ scan0164 | |
| Date | 22th January 1937 | |
| X328 Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} 22nd January 1937. P.III. Gearbox Costs. --------------------- In reply to Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}1/R.8.1.37. the following are the prices we have obtained for Inner Cores G.84366 made in Cast Iron instead of Bronze:- Firm. 400 Castings 800 castings Patterns. Brass Coneygre Foundry. 5 1/4d 5 1/4d £ 5. 2. 6d. 1/3 Midland Cylinder Co.6 1/2d 6d £ 5.18. 6d. Roy.{Sir Henry Royce} WL | ||