| RefNo | ACS/1/1/309 | 
| AltRefNo | 62358 | 
| Level | Item | 
| Title | Letter from [Henry George Percy], Northumberland, 2 Grosvenor Place, S. W., to Mr [Alan Archibald] Campbell Swinton | 
| Creator | Percy; Henry George (1846 - 1918); 7th Duke of Northumberland | 
| Date | 23 April 1912 | 
| Description | Thanking Swinton for sending the electric lamp.Comments on the interesting content of Swinton's recent lecture. | 
| Extent | 2p | 
| Format | Manuscript | 
| PhysicalDescription | Ink on paper | 
| AccessStatus | Open | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA475 | Percy; Henry George (1846 - 1918); 7th Duke of Northumberland; British Conservative politican | 1846 - 1918 | 
| NA8285 | Swinton; Alan Archibald Campbell (1863 - 1930); electrical engineer | 1863 - 1930 |