'In 1690 this comet discoverer designed the forerunner of the modern diving bell'
(Edmund) Halley
ASTRONOMERS: In 1690 this comet discoverer designed the forerunner of the modern diving bell
In 1690 this comet discoverer designed the forerunner of the modern diving bell
In 1690 this comet discoverer designed the forerunner of the modern diving bell
ASTRONOMERS
Edmund Halley
ASTRONOMERS