The train, 13 coaches long, and hired from British Rail, featured a mobile TV and radio studio, and was designed to spread the word about the new, high-definition TV service, based on 625 lines, rather than the previous 405-line transmissions.

The comedians, then the biggest draw in Scotland, were happy to spin pop platters, and pitter their Glesga patter for the listening audience, as well as pose for the press cameras; we can see them on the other side of the glass.

Now, quiet, Francie, we're about to go 'live'.

Sure, Josie. Sure, Josie. Sure, sure, sure. I'll haud ma wheesht!

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If you are interested in purchasing one of our products but live outside of the UK please get in touch.

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The Herald Picture Store is proud to present these images in their actual condition. We haven't manipulated these photographs and are proud of their character.

Please be aware that due to their age some images may show imperfections. This is as a result of the technology available at the time they were captured and/or scanned and saved for our records.