| RefNo | ACS/1/2/4 |
| Level | File |
| Title | Letter Book 68: Copies of outgoing letters sent by Alan Archibald Campbell Swinton |
| Creator | Swinton; Alan Archibald Campbell (1863-1930); British electrical engineer |
| Date | 1929-1930 |
| Description | Volume of typewritten copies of outgoing letters to various individuals, indexed by correspondent at the front of the volume. |
| Extent | 1 volume |
| Format | Typescript |
| PhysicalDescription | Carbon |
| AccessStatus | Open |