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 secretarial staff about reusing envelopes with economy labels for both internal and outward mail.
| Identifier | ExFiles\Box 143\2\ scan0166 | |
| Date | 13th June 1941 | |
| 1206 To the Secretarial Staff. Es.1/ST.13.6.41. USE OF ECONOMY LABELS. -------------------------- Please note that used envelopes are to be used for outward as well as for internal mail, with the help of economy labels, of which some are attached hereto. Rm.{William Robotham - Chief Engineer} | ||