Edmund Halley's Diving Bell

Bildnummer 11695293
Edmund Halley's Diving Bell
Halley's diving bell. Engraving of Halley's diving bell of 1716. Although best known for discovering the famous comet named after him,the astronomer & physicist Edmond Halley (1656-1742) was also the first to develop a commercially successful diving bell,which led to greatly improved wreck salvage in shallow waters. The diver's helmet,called a "cap of maintenance",was connected to the bell by a leather pipe held open by a steel spring. Air in the bell was continuously replenished by relays of weighted buckets carrying fresh air from a ship overhead. Halley used the bell himself,claiming the air it delivered was so sweet that he once drank a bowl of punch on the sea bed
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Terry, Sheila
Bildgröße: 4252 px × 4160 px
Modell-Rechte: nicht erforderlich
Eigentums-Rechte: nicht erforderlich
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