| RefNo | ACS/1/1/28 |
| AltRefNo | 6046 |
| 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 (1810 - 1900); Baron Armstrong of Cragside; armaments manufacturer and industrialist |
| Date | 28 June 1891 |
| Description | Outlines arrangements for a Swinton's visit. States that even with separate contact breakersthe same difficulty remainsof putting the coils to act with proportionate effect when used separately and collectively. Explains his methods of testing the quantity of secondary current, using a galvanometer stiffened by a long bar magnet placed 1 foot beneath it, detailing his observations and findings. |
| Extent | 4p |
| 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 |