London Bridge Water Works. Copy of a design from Dr Thomas Birch Secretary of the Royal Society Elevation, scale 1:24. Ink wash Inscribed 'NB The draught from which this was copyed was sent by Dr Birch without name in 1764 subsequent to the compleating of Westham Water Works. it is evidently intended for London Bridge and supposed to be designed by Mr Nichols' In the hand of John Farey 'See Account thereof 3rd Book Reports and Estimates, 1764. Printed Reports I, 208' 1764