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).
Providing particulars of heat exchanges for oil and water in response to a message about Harrison matrices.
| Identifier | ExFiles\Box 131\5\ scan0136 | |
| Date | 29th July 1940 | |
| To Rm{William Robotham - Chief Engineer}/Danby. Jnr.{Charles L. Jenner}9/JH.29.7.40. Park Leys. With reference to your message re Harrison matrices, I send herewith particulars of the heat exchanges for oil and water. I hope this is what you want. Jnr.{Charles L. Jenner} [Signature] | ||