Diary of John Quincy Adams, volume 2
1786-11-15
Mr. Burr went to an Ordination, and consequently we had no reciting in the afternoon. Mr. Williams had a Lecture to demonstrate the truth of the copernican System, at 3, and in the evening: he shew us the planet Venus, which through a telescope, appears shaped like the moon, and was this evening horned. She 127is quite small view'd through our glasses, which magnify objects 90 Times.