Cleaning Constable's 'Hay Wain' | National Gallery

Restorer Paul Ackroyd shows the effects of removing the discoloured 80-year-old varnish from 'The Hay Wain', including some of the painting's small details which have been made clearer during the process.

00:00-00:39 Introduction
00:40-02:28 What is the meaning of this painting?
02:29-03:44 Varnish removal
03:45-04:08 The painting back in the Gallery
04:08-04:25 Outro