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P/S 102110 A library shelf-mark or cataloging number identifying this specific copy.
original: "AQUILA NON CAPTAT MUSCAS"; a Latin proverb suggesting that a person of great importance or intellect does not concern themselves with trivial or insignificant matters. This was the personal motto of the book's previous owner.
Stillman Drake (1910–1993) was a preeminent Canadian historian of science, best known for his work on Galileo Galilei. This bookplate indicates the volume was part of his personal research collection before coming to the University of Toronto.