| RefNo | ACS/1/1/38 | 
| AltRefNo | 7795 | 
| Level | Item | 
| Title | Letter from [William George] Armstrong, Cragside, Rothbury, to [Alan Archibald Campbell] Swinton, 66 Victoria [Street], London, S.W | 
| Creator | Armstrong; William George; Baron Armstrong (1810-1900); British armaments manufacturer and industrialist | 
| Date | 8 January 1892 | 
| Description | Informs he has now got his induction apparatus to work satisfactorily, both with the magnetic contact breakers and also with a mechanical breaker which delivers the discharges in succession & with equal intervals between them. He is now in the position to commence experiments with the apparatus. Informs he will be in London and will investigate acquiring a lot of vacuum tubes, enquiring whether Swinton knows any suitable contacts. | 
| Extent | 2p | 
| Format | Manuscript | 
| PhysicalDescription | Ink on paper | 
| AccessStatus | Open | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA3460 | Armstrong; William George (1810 - 1900); Baron Armstrong of Cragside; armaments manufacturer and industrialist | 1810 - 1900 | 
| NA8285 | Swinton; Alan Archibald Campbell (1863 - 1930); electrical engineer | 1863 - 1930 |