Ailsa Craig, 245 acres in extent, was once a volcanic plug, is a marker in the outer reaches of the Firth of Clyde and its blue hone granite has been the source of curling stones for many years. Its archaic look is brought out by a clip of film - now 84 years old - from the archives of British Pathe. Here, Pathe News, was the source of cinema newsreels and documentaries from 1910 - 1970.
Scottish Islands Explorer - has added colour
Digital Edition: how access to information has moved on