The Diving Bell

 

Sir Edmund Halley, the renowned astronomer, invented an ingenious diving bell in 1691 to explore underwater realms. Frustrated by shallow dives, he engineered a wooden, open-bottomed barrel weighted with lead, replenished with air via weighted barrels lowered from the surface. This allowed divers, including Halley himself, to descend over 60 feet into the Thames for up to 90 minutes. His bell aided salvage operations, like recovering cannons from wrecks, and inspired future submersibles. Halley’s design proved air could be supplied underwater.

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