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).
Oscillograms of radio interference from a Buick 8 engine running at 2000 r.p.m.
| Identifier | ExFiles\Box 27\3\ Scan067 | |
| Date | 29th March 1939 guessed | |
| OSCILLOGRAMS TAKEN OF RADIO INTERFERENCE FROM BUICK 8. Engine running at 2000 r.p.m. 1) Interference at television w/length No suppressor fitted. Plug screen on 2) Interference at television w/length as ① but with plug screen off. 3) Interference at television w/length Suppressor and plug screen fitted 4) Interference at 350 m.{Mr Moon / Mr Moore} Background only. nb. sens'y increased x6. 5) Interference at 350 m due to car engine, suppressor fitted. 6) As ⑤ but with no suppressor fitted. | ||