The pump house at Fenny Stratford has a rounded corner, probably to give clearance for horses working on the towpath. The windows and doors have flat brick arches rather than the semi-circular arches found on the other pump houses.
The Northern Engines Part 1
From the Iron Trunk aqueduct over the Great Ouse at Old Wolverton, the canal through North Bucks rises 111 feet and 11 inches on its way South to Tring Summit.
Every time one of the many locks on this stretch is used, tons of water move to the next level down and is lost; it's always a problem for canals.
At Tring Summit the Grand Junction Canal Company found only a few very small streams, not enough to keep the canal supplied. To get water, the canal company built the Wendover Arm, a branch canal, along the base of the Chilterns to pick up water from the streams that emerge there.
But once the canal opened over the summit in 1800, the company found that their water supplies were barely adequate.
Reservoirs were built and wells were sunk but the company struggled to get enough water. The Wendover arm had been leaking for years despite many repairs. It would eventually be stopped up but more had to be done.
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