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 order spare test tackle for 500-watt generators.
| Identifier | ExFiles\Box 168a\3\ img354 | |
| Date | 9th March 1937 | |
| 6142 Mem from BJJ/JV To Rm{William Robotham - Chief Engineer}/Wst Order No.811 EJJ is absent. EJJ/JV8/MM9.3.37 RE: SPARE TEST TACKLE FOR 500 WATT GENERATORS. Please order from Messrs Cannings Ltd., Manchester, :- 2 - Load Resistances .289 ohms value and capable of carrying 50 amps. without overheating. Please order from Messrs Ferranti Ltd.,:- 1 - Voltmeter 0 - 20 volts. 1 - " 0 - 40 " having 6 1/2" dials. Please order from Messrs The Record Electrical Co. Ltd.,:- 2 - Ammeters 0 - 50 amps. having 6 1/2" dials. Please order from Messrs The Zenith electrical Co. Ltd.,:- 1 - Slider type of variable resistance 13 ohms. capable of carrying 6 amps without overheating. 1 - Slider type of variable resistance 52 ohms. capable of carrying 3 1/2 amps without overheating. Deliver all the above to Rm{William Robotham - Chief Engineer}/Wst. EJJ/JV. | ||