1968 – Beaver Mark IV Submersible by North American Rockwell. Renamed “Roughneck” in 1969.
Each of the two manipulators has a 9-ft reach, eight degrees-of-freedom, and a 50-lb lifting capacity. The two manipulators can be equipped with nine different tools to perform various tasks. These tools are: impact wrench, hook hand, parallel jaws, cable cutter, stud gun, centrifugal pump, grapple, drill chuck, and tapping chuck. Rates of motion are variable.
Above and below photo source: Manned Submersibles, Bushby.
Artists concept.
See other early Underwater Robots here.