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).
Instructions for the manufacturing process and quality control of Bentley 5 steering rollers.
| Identifier | ExFiles\Box 100\2\ scan0112 | |
| Date | 2nd May 1939 | |
| H 50 To: RHC{R. H. Coverley - Production Engineer}/Wld. Roy{Sir Henry Royce}/Dn. RHC{R. H. Coverley - Production Engineer}/RP. Hl/GIR. Ry/MSD. Rm{William Robotham - Chief Engineer}/PJH. BY/HS.{Lord Ernest Hives - Chair}2/MG.2.5.39 BENTLEY 5 300 Sets. F.89511 - STEERING ROLLER Kindly note in accordance with Ry's instructions the above piece is to be machined, carburised, and heat-treated at R.R., and then sent to Hoffmanns for grinding. The operations should be arranged to cover this. The rollers which have been produced by Messrs. Hoffmann should only be accepted on the understanding that should the heat treatment be defective they will grant R.R. credit. We do not wish them to manufacture the replacements. Will RHC{R. H. Coverley - Production Engineer}/RP kindly arrange for 6 Rollers to be handed to H1/GLT for testing. Should these prove unsatisfactory, the whole batch are scrap. BY/HS{Lord Ernest Hives - Chair} | ||