London Bridge Water Works. Plan of the great engine for the fifth arch of London Bridge. Plan of water wheel and pumps Plan of the great engine for the fifth arch of London Bridge. Plan of water wheel and pumps, scale 1:24. Ink wash. Signed 1768 Inscribed in the hand of John Farey 'See Reports, printed, II.29; description of this machine in Dr Rees Cyclopaedia 38 article on Water' 1768