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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…