Fourth 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

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

Fifth painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783. Note there is a crack on this slide.

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

Fifth 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. Photograph by Geremy Butler

Sixth 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

Third 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

Photograph by Richard Bryant, Arcaid

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

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

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

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

Third 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.

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