Amphibian head with Hydrascope Crane being used with Counter-weight system in swimming pool. It demonstrates very smooth transition in and out of the water.
[WM]http://www.youtube.com/watch?v=nGbvobqZC_o[/WM]
[WM]http://www.youtube.com/watch?v=nGbvobqZC_o[/WM]