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"Sectional view of diving bell and barge, employed on the River Clyde. All the appliances are worked by steam, rendering manual labour unnecessary. A is the Bell, which is raised and lowered by means of the Chain and Steam Winch B. c c are Seats within the Bell; d d, Footboards. E, Air-pipe entering the Bell at f, the air being supplied by Air-pump G driven by the Engine H. J is a Steam Crane for raising or lowering material. K K, Steam Winches for working moorings and shifting position of the barge." -Hill, 1921

Barge with Diving Bell

"Sectional view of diving bell and barge, employed on the River Clyde. All the appliances are worked…

A diving bell, also known as a wet bell, is a cable-suspended airtight chamber, open at the bottom like a moon pool structure, that is lowered underwater to operate as a base or a means of transport for a small number of divers. The pressure of the water keeps the air trapped inside the bell. They were the first type of diving chamber. Unlike a submarine the diving bell is not designed to move under the control of its occupants, nor to operate independently of its tether.

Diving Bell

A diving bell, also known as a wet bell, is a cable-suspended airtight chamber, open at the bottom like…