Discovery magnified: The brilliance of Joseph Priestley

Discovery magnified: The brilliance of Joseph Priestley

British scientist and Unitarian theologian Joseph Priestley used this brass-and-glass telescope in his laboratory at his home in Northumberland County, Pa. Selected by CAP Curator Jennifer Gleim as this week’s Pennsylvania Treasure, the telescope, on loan from the Joseph Priestley House, is featured in The State Museum’s Pennsylvania Icons exhibit. The earliest known working telescopes …

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