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).
The standardisation sheets for the 40/50 HP thermostat.
| Identifier | ExFiles\Box 78\1\ scan0057 | |
| Date | 17th May 1920 | |
| X.3563. To D/L. from Hs.{Lord Ernest Hives - Chair} EFe Hs{Lord Ernest Hives - Chair}2/LG17.5.20. X.3563. RE 40/50 HP. THERMOSTAT. With reference to attached, we anticipate that Standardisation sheets for Thermostat will be sent round for signatures in three or four weeks time. There are three or four of these devices running on Expl: Cars successfully. [Stamp: EFC RECEIVED MAY 17 20] Hs.{Lord Ernest Hives - Chair} | ||