Description: Showing the extension built in 1751. Note there are now five windows to the Pump Room. Several figures and sedan chairs of different designs outside the Room. The steps down to the King's Bath are to the right of the Pump Room entrance.
Probably published by G. Speren (1710-1796), possibly drawn by Thomas Robins. Copper-engr. See Image Ref. 10809, 40628 and 45181.