How the Lune Aqueduct, which took over 5 years to build, was constructed!  One and a half of those years were spent driving 60 tree trunks into the bed of the Lune under each of the piers.  The other stages of construction can be seen in this diagram.


A rather fanciful print of the quay at lancaster


Lancaster Quay when it had started to silt up and was being overtaken by a little port called Liverpool






As it says 'Plan and elevation of the Aqueduct Bridge over the River Lune on the Lancaster Canal'.