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 obtain a dozen 'J' type suppressors from Erie Resistor Ltd.
| Identifier | ExFiles\Box 168b\1\ img160 | |
| Date | 10th February 1939 | |
| Radio 6153 Roy{Sir Henry Royce}/Ms. c.c. G/WPH. Rm{William Robotham - Chief Engineer}/RC.{R. Childs}8/JH.10.2.39. Will you please obtain for us from the Erie Resistor Ltd. Carlisle Road, The Hyde, London.N.W.9., one dozen 'J' type suppressors, resistance 15000 ohms O/N.52444. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||