Matches in DBpedia 2016-04 for { ?s ?p "A caisson lock was invented in the late 18th century as a solution to minimise the use of great volumes of water required to raise and lower canal boats through large height differences. It was normal to only raise and lower boats through small height differences of a few feet when traversing undulating terrain. A solution was required when either large height differences were encountered or water was in short supply. The Caisson (or Caisoon) was thought to be one solution."@en }
Showing triples 1 to 2 of
2
with 100 triples per page.
- Caisson_lock comment "A caisson lock was invented in the late 18th century as a solution to minimise the use of great volumes of water required to raise and lower canal boats through large height differences. It was normal to only raise and lower boats through small height differences of a few feet when traversing undulating terrain. A solution was required when either large height differences were encountered or water was in short supply. The Caisson (or Caisoon) was thought to be one solution.".
- Q99483 comment "A caisson lock was invented in the late 18th century as a solution to minimise the use of great volumes of water required to raise and lower canal boats through large height differences. It was normal to only raise and lower boats through small height differences of a few feet when traversing undulating terrain. A solution was required when either large height differences were encountered or water was in short supply. The Caisson (or Caisoon) was thought to be one solution.".