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).
Declining the use of certain blocks for Instruction Book work.
| Identifier | ExFiles\Box 147\4\ scan0170 | |
| Date | 9th July 1941 | |
| 1297 Rm.{William Robotham - Chief Engineer} NW{N. Walker - Patents}2/MW. 9.7.41. Referring to your Rm.{William Robotham - Chief Engineer}3/ET.6.7.41; we do not think the blocks in question will be of any use to us for Instruction Book work. N.W. | ||