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 return a Zenith variable resistance for repair after it was burnt out during tests.
| Identifier | ExFiles\Box 163\6\ img303 | |
| Date | 5th February 1937 | |
| 6016 To HPS{Horace Percy Smith - Experimental Factory Mgr}/CEP. from Rm{William Robotham - Chief Engineer}/Wst. Rm{William Robotham - Chief Engineer}/Wst.1/AP.5.2.37. ZENITH VARIABLE RESISTANCE. Will you please arrange to return one Zenith resistance 8.3 ohms 10 amps to the makers for repair. This has been inadvertently burnt out during tests. Rm{William Robotham - Chief Engineer}/Wst. D / 15/2/37 15/2 rec. | ||