Follow the dedicated conservation cleaners looking after our national treasures, as they show us the special tools, techniques and tricks of the trade to clean and preserve historical artefacts
Episode 1
The cleaners take on two unique railway carriages from the Golden Age of Steam, a display of Beatrix Potter's lost treasures and a church once frequented by Charles Dickens
Episode 2
The cleaners solve the mystery of a Constable painting, take on the pests in a taxidermy collection, and dismantle two Victorian textile machines
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