1981 – “Deep Rover” Submersible – Graham Hawkes (British/American)

1981 – "Deep Rover" Submersible. See 7:10 into the Video. Top: Dr. Sylvia Earle. Bottom: Graham Hawkes. Extract from Popular Science, Dec 1984. An acrylic-bubble undersea habitat called Deep Rover will take oceanographers and oil-rig technicians to depths of 3,200 feet, where they'll work at sea-level pressure—in near-living-room comfort. The vessel "flies" like an underwater …

1997 – “DeepWorker 2000” Submersible – Phil Nuytten (Canadian)

The one-atmosphere DeepWorker 2000 submersible allows a pilot to go deeper and spend more time below the surface than traditional diving methods. The sub comes with external manipulators to tackle serious underwater jobs. HydroNewt Manipulators having a standard reach of 5 feet. Submersible Publication number    USD461445 S1 Publication type    Grant Application number    US 29/152,829 Publication …

1978 – “Mantis” Submersible – Graham Hawkes (British)

1978 – "Mantis" Submersible. Sylvia Earle and Graham Hawkes. Mantis, built by OSEL, U.K., designed by Graham Hawkes is the latest [c1978] development in the tethered submarine field. It is fitted with eight or ten electric thrusters and has two seawater hydraulically operated manipulators. The Mantis was built in 1978 and has been used for …