Image of Galileo Galilei’s Sidereus Nuncius (Starry Messenger) (1610; one of only two known copies of earliest issue of the first edition)
Photo by Sean Wilkinson, Distinguished Service Professor at the University of Dayton. The photographs in this collection are licensed for research, educational and private use. Proper attribution must be used when downloading or reproducing these images. If you wish to use the materials for other purposes, please contact University of Dayton Libraries to obtain permission: 937-229-4221.