A film showing examples of water flowing down bellmouth spillways and open concrete pipes at Ewden. There are several angles of water going down a bellmouth spillway. The bellmouth spillway is shown with a graph in front of it. The bellmouth spillway is shown with a piece of paper in front which says: 'No.1 -1/28 D=11’-3”, Head=2’-6”, CUSECS 1920, UNVENTILATED'. Water is shown circling down the bellmouth spillway. Water is shown pouring from an exit pipe. Pipes and machinery...

A film showing examples of water flowing down bellmouth spillways and open concrete pipes at Ewden. There are several angles of water going down a bellmouth spillway. The bellmouth spillway is shown with a graph in front of it. The bellmouth spillway is shown with a piece of paper in front which says: 'No.1 -1/28 D=11’-3”, Head=2’-6”, CUSECS 1920, UNVENTILATED'. Water is shown circling down the bellmouth spillway. Water is shown pouring from an exit pipe. Pipes and machinery are shown. A bellmouth spillway is shown with a sign above it which reads: ‘ventilated’. Water is shown circling down the bellmouth spillway. Pipes and machinery are shown. Water is shown pouring from an exit pipe. A bellmouth spillway is shown with a piece of paper in front which says: 'No.2, 1/40, D=16’-0”, Head=2’6”, CUSECS 2160, VENTILATED, EFFEC LENGTH WEIR 158’.' Water is shown circling down the bellmouth spillway Water is shown pouring from an exit pipe. A bellmouth spillway is shown with a piece of paper in front which says: 'No.2, 1/40, D=16’-0”, Head=4’0”, CUSECS 4760, VENTILATED, EFFEC LENGTH WEIR 158’.' Water is shown circling down the bellmouth spillway and pouring from an exit pipe. Water pipes and machinery are shown. A bellmouth spillway is shown with a graph in front of it. Houses and trees are shown. A snowy street is seen with people stood around. Water is shown flowing down a concrete channel. A bellmouth spillway is shown. A landscape shot shows the size of the bellmouth spillway in the water at a water works area. Men are shown standing near the concrete channel. Water is shown circling the bellmouth spillway and flowing down the open concrete pipes/channels.