operator: Art UK described at URL: https://artuk.org/discover/artworks/professor-peter-guthrie-tait-18311901-physicist-213122 determination method: SHA-1
Postcard from James Clerk Maxwell to PeterGuthrieTait. https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse