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).
Use of larger .312 bolts for the 20HP starting handle support following reports of slackening.
| Identifier | WestWitteringFiles\N\2July1925-September1925\ Scan77 | |
| Date | 7th September 1925 | |
| TO HS.{Lord Ernest Hives - Chair} FROM DA.{Bernard Day - Chassis Design} ORIGINAL DAL/M7.9.25. 20HP. STARTING HANDLE SUPPORT. X5270 Referring to the reports from France of bolts slackening on this piece, we presume you are trying .312 bolts instead of .250, and not waiting for us to send you any further instructions or draw-ings? agrees [Illegible signature] DA.{Bernard Day - Chassis Design} [Illegible signature] | ||