In 1720, Edmond Halley made significant advancements in diving technology by enhancing the diving bell's functionality. He introduced a method for replenishing the air supply via barrels from above the surface, allowing divers to remain submerged longer. This innovation facilitated safer and more efficient underwater salvage operations, promoting maritime industry growth. Halley's work had a lasting impact on diving technology and underwater exploration, influencing future developments in the field.