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Thomas Jefferson to David Rittenhouse, July 19, 1778, Astronomy; Total...
Astronomy; Total Eclipse of June 24, 1778; Orrery (Planetarium) in Philadelphia
Reverend James Madison to Thomas Jefferson, July 26, 1778, Astronomy; ...
Astronomy; Total Eclipse of June 24, 1778
Reverend James Madison to Thomas Jefferson, July 26, 1778, Astronomy; ...
Astronomy; Total Eclipse of June 24, 1778
Thomas Jefferson to David Rittenhouse, July 19, 1778, Astronomy; Total...
Astronomy; Total Eclipse of June 24, 1778; Orrery (Planetarium) in Philadelphia