I've put up a page with a sequence of photographs showing the operation of the sluices on the weir beside Tarmonbarry Lock on the River Shannon. The process involves a mysterious machine and two disappearances ....
The full link address is http://irishwaterwayshistory.com/about/irish-waterways-operations/the-sluices-at-tarmonbarry-on-the-river-shannon/ but you may prefer http://tinyurl.com/lu6aek or http://preview.tinyurl.com/lu6aek bjg
