HM 169 Drainage and Seepage Tank

1 laboratory trolley, 2 pump, 3 supply tank, 4 measuring gland, evenly distributed over the base of the tank, 5 adjustable overflow pipe, 6 device for injecting the contrast producing medium, 7 pile planking, 8 fourteen tube manometer, 9 water feed, can be positioned as required, 10 tank with viewing window made of special glass