Viaduct on the Bridgewater Canal carrying it across the River Irwell.  Built by the English civil engineer James Brindley (1716-1772) it was commissioned by the Duke of Bridgewater to carry coal from his mines at Worsley, Lancashire to the industrial city of Manchester.  From 'Scenes in England' by the Rev. Isaac Taylor, London, 1822. Hand-coloured engraving.