Note
Described are a variety of tools developed by Harbor Branch Foundation for the purpose of measurement, observation, and sampling from an undersea vehicle. Also described are a number of electro-mechanical devices including a laser aiming system for underwater photography, an electro-shocker which drives burrowing creatures out of hiding, and a laser-diode powered transmissometer. All of the systems are used on the JOHNSON-SEA-LINK classed submersibles.