First painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

Second painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

Sixth painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

Aquatint by Pugin and Rowlandson, shows the Great Room from the completion of Barry's paintings until the alteration in 1815

Fifth painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

Third painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

Second painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

Third painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

Third painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

Fourth painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

Taken from back of room looking towards stage area

Taken from back of room looking towards stage area

Fifth painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

First painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

Photograph by Richard Bryant, Arcaid

Photographs by David Spero

Photograph by Sid Baker taken for the Royal Commission on the Historical Monuments of England. Negative number BB96/9892