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Samuel J. Gummere’s Lecture on Copernicus

In 1862 Samuel J. Gummere began lecturing on astronomy at Haverford College. At that time all sophomores and juniors heard lectures based on John Herschel’s Outlines of Astronomy; seniors heard lectures on “practical astronomy” based on Elias Loomis’s text (probably his Introduction to Practical Astronomy) and carried out observations in the college’s new observatory. Gummere’s […]