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).
Request to detail a modified thermostat valve and thermostat casing with increased dimensions.
| Identifier | ExFiles\Box 156\2\ scan0076 | |
| Date | 26th April 1938 | |
| r1328. To By/Ald.{F. Allwood - Experimental Design} from Rm{William Robotham - Chief Engineer}/Std. Rm{William Robotham - Chief Engineer}/Std.4/MH.{M. Huckerby}26.4.38. Will you please detail for us a thermostat valve as EB.680 but modified to be .125 greater in external diameter, and a thermostat casing as EB.619 modified to have the outlet bore, i.e. thermostat seating bore increased by .125 also. We would like these with a minimum of delay. Rm{William Robotham - Chief Engineer}/Std. | ||