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).
Dimensional change on the drawing for a brake drum liner.
| Identifier | ExFiles\Box 141\2\ scan0353 | |
| Date | 3rd May 1941 | |
| To Rm{William Robotham - Chief Engineer}/HH. from Rm{William Robotham - Chief Engineer}/GB. Copy to Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}/MHR.{M. H. Rigby} Re: LINER - BRAKE DRUM - RG.{Mr Rowledge}2260. Will you please change the .35" length of 12.470" diameter on this drawing to 12.425" - 10. This is necessary to provide clearance for the dust cover. Rm{William Robotham - Chief Engineer}/GB. G.B. Rm{William Robotham - Chief Engineer}/GB.4/ET.3.5.41. 1180 | ||