Solar Corona 1878 July 29 (black-and-white transparencies; astrophotographs; Sun; solar eclipses; solar corona; solar prominences; solar chromosphere)
Solar Corona 1883 (black-and-white transparencies; astrophotographs; Sun; solar eclipses; solar corona; solar prominences; solar chromosphere)
Enlarged photographs of the planet Mars (black-and-white transparencies; astrophotographs; planets; Mars)