[Drawn Plan of the Water Works and the Duke of Gloucester Riding House]
Draughtsman: Chawner, Thomas
Medium: Pen and ink on paper
This plan of the Pump Room of the Chelsea Water Company in Hyde Park also shows part of the company's reservoir, with scale bar at bottom centre and orientation points marked on the margins. The plan also features the riding house erected near Grosvenor Gate in Hyde Park in 1768.