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 electrical components for a Ph.III unit switchboard sent for despatch to Marstons.
| Identifier | ExFiles\Box 150\2\ scan0224 | |
| Date | 30th March 1939 | |
| 1280 To D {John DeLooze - Company Secretary} /BP. from Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} c. G {Mr Griffiths - Chief Accountant / Mr Gnapp} /Rb. {R. Bowen} Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} 10/MH. {M. Huckerby} 30.3.39. The electrical tackle for the switchboard necessary to run the Ph.III unit which has been bought by Marstons has been sent over to you for despatch to Marstons. The tackle comprises the following and should be made chargeable to Marstons. Obsolete type of Weston Ammeter. Ph.III type Regulator & Cut Out Unit D.54562. Ph.III " Press button switch D.73228. Ph.III " Starter switch D.100208. Obsolete type of warning lamp. " " " fuse board. 1 - 15 amp. Tumbler switch. 2 - 5 " " " Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} | ||