| RefNo | ACS/1/2/1/60 |
| AltRefNo | 73 |
| Level | Item |
| Title | Letter from [Alan Archibald Campbell] Swinton, to Messrs. S. G. Brown Ltd., Instrument Works, Victoria Road, North Acton, W. 3. |
| Creator | Swinton; Alan Archibald Campbell (1863-1930); British electrical engineer |
| Date | 28 October 1920 |
| Description | Returning the transformer lent to him, reporting that the primary is rather too high a resistance, with the transformer he wanted having to work in series with a microphone. |
| Extent | 1p |
| Format | Typescript |
| PhysicalDescription | Carbon |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8285 | Swinton; Alan Archibald Campbell (1863 - 1930); electrical engineer | 1863 - 1930 |