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).
Clarifying that certain numbers are patent application numbers, not specifications.
| Identifier | ExFiles\Box 147\2\ scan0159 | |
| Date | 3rd January 1940 | |
| Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} 1247 NW.{N. Walker - Patents}8/VL.{V. Lewis / Mr Valentine}3.1.40. Referring to your Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}3/HN.{F. C. Honeyman - Retail orders}2.1.40; will you kindly note that the numbers you quote are only application numbers, as was pointed out on our list of outside patent searches under "Applications". It is not yet possible to obtain copies of specifications of these. N.W. | ||