How to Get to the Seafloor Without Holding Your Breath

Before we had ALVIN—or proper submarines for that matter—the best way to get to the seafloor was by using a diving bell. Originally made from recycled church bells, these diving apparatuses protected their passengers from the murky depths in a bubble of air. Our friends at Oobject have assembled nine of the best.
When you're done diving into these, check out a few decommissioned subs, their claustrophobic torpedo rooms, and these nine bathing machines.

How to Get to the Seafloor Without Holding Your Breath

James Gillray: Going down in a Diving Machine, 1801

How to Get to the Seafloor Without Holding Your Breath

McCann Rescue Chamber

Cutaway drawing of the device used to rescue 33 crewmen from the sunken submarine USS Squalus (SS-192) in May 1939.

How to Get to the Seafloor Without Holding Your Breath

Diving bell from 1700s

Divers stood inside this thing which literally looks like a bell and recovered 50 cannon from a sunken ship, without being able to see where they were going.

How to Get to the Seafloor Without Holding Your Breath

Edmund Halley's 17th Century Diving Bell

A kind of technology that is more Pirates of the Caribbean than Steampunk

How to Get to the Seafloor Without Holding Your Breath

Alexander the Great Diving Bell

A 16th century engraving of Alexander the Great being lowered in a glass diving bell.

How to Get to the Seafloor Without Holding Your Breath

Renaissance Diving Bell by Niccolo Fontana Tartaglia

From Tartaglia's 1551: methods for raising sunken ships, which includes several designs for diving bells

How to Get to the Seafloor Without Holding Your Breath

Diving Bell used by Brunel

Brunel used this to inspect his Thames tunnel

How to Get to the Seafloor Without Holding Your Breath

George Leybourne's great song : Down in a diving bell

An unlikely topic for a hit song.

How to Get to the Seafloor Without Holding Your Breath

1920s Diving apparatus

Not strictly a diving bell at this stage, since diving helmets and bells had diverged, but glass spheres in the same vein as those from Alexander the Great's time. This was an illustration from the Strand magazine for Conan Doyle's Atlantean adventure novel The Maracot Deep.