Martin L wrote (of cast iron gates) > I thought the ones now on display at Hillmorton were the last > ones in use, and were replaced a few years ago because it was > found that repair was impracticable.
There are cast iron balance beams still in use on the Hertford Union Canal - see http://grandunioncanalcarrying.co.uk/January08/pic087.jpg, (or in context at http://grandunioncanalcarrying.co.uk/January08/index.html) David Mack
