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).
To all departments regarding the scheduling of trunk calls between London and Derby.
| Identifier | ExFiles\Box 142\1\ scan0226 | |
| Date | 3rd October 1938 | |
| Rm{William Robotham - Chief Engineer} 1204. To all Departments. D1/DL3.10.38. Sg{Arthur F. Sidgreaves - MD} writes as follows :- "Will you please circulate the following :- Please bear in mind that trunk calls between London and Derby should, whenever possible, be confined to the special reservation we have daily from 3 p.m. It is seldom that a trunk call is so urgent that it cannot wait until then." D.{John DeLooze - Company Secretary} | ||