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).
List of proposed modifications and investigations for various car components including filter covers, gearboxes, and pistons.
| Identifier | ExFiles\Box 161a\2\ scan0240 | |
| Date | 24th May 1938 | |
| - 4 - BY/NS.{Norman Scott}15/C.24.5.38. Filter Cover. Use of Bentley cover to be investigated by D.O. Gear Box. (RHC{R. H. Coverley - Production Engineer}/Wld.1/AG.20.5.38) RHC{R. H. Coverley - Production Engineer}/SS.{S. Smith} to take question of machining facing for speedo drive up with RHC{R. H. Coverley - Production Engineer}/Wld. Modification to the cover will mean a new die. Gearbox altered to use a cover produced from an existing die in March 1937, see N.Sch.5055. Oil Scoop - 3rd Motion Shaft. Rm{William Robotham - Chief Engineer}/Cry. states this cannot be deleted. Pistons - All cars. To be tin plated - RR. type to be done in Works. Aerolite to be done by makers. Rm{William Robotham - Chief Engineer}/Cry. to issue the standardisation sheets. BY/NS.{Norman Scott} | ||