From ArborWiki

The Marine Hydrodynamics Laboratory (MHL) is part of the Department of Naval Architecture and Marine Engineering, and is located on the first floor of West Hall on central campus. It consists of a physical modeling basin, a low turbulence free surface water channel, a gravity-capillary wind wave facility, a circulating water channel, a specialized circulating water channel for drag reduction investigations, and the Ocean Engineering Laboratory. In addition, there are complete support facilities, including a woodworking shop, a machine shop, a welding fabrication area, several assembly areas, and an electronics shop.

Home page: http://www.engin.umich.edu/dept/name/facilities/mhl/introduction.html