Drawn by Joseph Clement, engraved by James Davis

Drawn by Cornelius Varley, engraved by J B Taylor

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

Sixth 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.

First 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.

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

Clock presented to the Society in 1760

Designed by William Chambers in 1759

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