Order request for a Zenith wirewound non-inductive resistance unit for the Experimental Department's ignition rig apparatus.
| Identifier | ExFiles\Box 167\2\ img138 | |
| Date | 7th July 1938 | |
| To - Bey, from EJJ/HC. c. to Rm {William Robotham - Chief Engineer} /RC. {R. Childs} 6103 EJJ/HC3/JW.7.7.38. 479/815. RE :- IGNITION RIG APPARATUS. EXPERIMENTAL DEPT. Please order from Messrs. Zenith Electric Co., Ltd, :- 1 - Zenith wirewound non-inductive resistance unit. Type Y.10. Resistance value 1 megohm (centre tapped). Deliver to Mr. Child. EJJ/HC. 116 | ||
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).