For most of us boat owners, the winter is a time for taking the boat out of the water, snugging it down and spending hours dreaming of those faraway days in the spring when we can get back to the serious business of having fun on the water.
We all take locks for granted as we travel up and down the Thames. These days, the modern electronic controls and smooth hydraulics that are in use at most locks allow easy passage from one river reach to another and the hardest problem for lock keepers to face is simply trying to fit a huge number of boats into the lock chamber.
