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).
Placing an official order for two 'Heads' based on a letter received from Messrs. Wm. Mills, Ltd.
| Identifier | ExFiles\Box 133\1\ scan0033 | |
| Date | 1st April 1936 | |
| Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer} X1129 Roy{Sir Henry Royce}/Rts.4/PSK.1.4.36. We attach hereto a letter received from Messrs. Wm. Mills, Ltd., and would enquire whether you wish us to place an official order for the two Heads. Roy.{Sir Henry Royce} | ||