| It was time for Britain to acquire submersibles and find out just how much of a menace they might be. |
| Submersibles were equipped with special devices called bathymeters for taking water samples from the ocean bed. |
| Giant squid have proved elusive to deep sea film crews in the past, because they will not go near the lights on their submersibles. |
| He's been down in every imaginable piece of diving gear known to man as well as a wide array of underwater submersibles and crafts. |
| This is acceptable for civilian research submersibles, but not military submarines. |
| Modern submarines and submersibles, as well as the oldest ones, usually have a single hull. |
