NORTHUMBERLAND — On Aug. 1, 1774, Joseph Priestley was experimenting in his lab in England when he made a discovery that would become his biggest claim to fame: Oxygen. It is that discovery and more ...
NORTHUMBERLAND — A quarter millennium later, the legacy of18th century writer and scientist Joseph Priestley lives on in central Pennsylvania, thanks in large part to a group of volunteers who work ...
Autobiography originally published London, J. Johnson, 1806. An account of further discoveries in air, originally published 1775.