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).
Circular to all departments regarding the timing of trunk calls between London and Derby.
| Identifier | ExFiles\Box 27\3\ Scan063 | |
| Date | 28th March 1939 | |
| Rm{William Robotham - Chief Engineer} 1204 To all Departments D1/DL28.3.39. Rm{William Robotham - Chief Engineer} 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} | ||