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).
Order for a Zenith wire wound non-inductive resistance unit for an ignition rig.
| Identifier | ExFiles\Box 167\2\ img077 | |
| Date | 11th October 1937 | |
| From EJJ. c. to Rm{William Robotham - Chief Engineer}/RC.{R. Childs} c. to Millwrights. 6103 EJJ1/M.11.10.37. 816. Ignition Rig From Messrs. Zenith Elec. Co. Ltd., - One - Zenith wire wound non-inductive resistance unit, Type Y.10. Resistance of 1 Megohm, centre tapped. To be delivered to Rm{William Robotham - Chief Engineer}/RC.{R. Childs} EJJ. [signature] | ||