| RefNo | ACS/1/1/13 | 
| AltRefNo | 4685 | 
| Level | Item | 
| Title | Letter from [William George] Armstrong, Athenaeum Club, Pall Mall, 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 | 22 January 1891 | 
| Description | Opines it is needless to delay the construction of a vibrating contact breaker applicable to b coils, detailing the required specifications. Wishes for Mr [Alfred] Apps to be instructed to proceed with such a contact breaker, with the design to be agreed prior to commencement. | 
| 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 |