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).
Official order for two different sizes of Bundy Tubing.
| Identifier | ExFiles\Box 121\1\ scan0201 | |
| Date | 26th January 1940 | |
| 1029? To Les.{Ivan A. Leslie} c. to G/JWH. Rm{William Robotham - Chief Engineer}/MHR.{M. H. Rigby}14/JH.26.1.40. Will you please issue an official order for the following length of Bundy Tubing. 40 ft. of 1/4" external dia. 10 ft. of 5/16" external dia. Rm{William Robotham - Chief Engineer}/MHR.{M. H. Rigby} | ||